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Installing AutoCAD 2005 on Windows 11

Posted on December 22, 2022 by simonbooth

Follow these instructions to solve issues around installing/running your legacy AutoCAD 2005 on Windows 11

IMPORTANT NOTE: Autodesk no longer supply License Activation codes for this version of AutoCAD. The best way is to transfer your existing license to the new PC but there are other options, we document them here

Ransomware Protection Windows 11 and AutoCAD

Windows 11 comes with a Ransomware Protection which includes Controlled Folder Access. Controlled folder access blocks applications from writing to your Documents, Pictures, Videos, Music, Public and Favorites folders. AutoCAD versions all the way to AutoCAD 2021 write to certain user Public folders and are therefore blocked by this feature. This can cause issues with all sorts of things including activating your AutoCAD license and even running AutoCAD. Ransomware Protection is an important feature of Windows 11 but it will affect your AutoCAD unless you allow AutoCAD and its dependent applications access to the controlled folders.

How to install AutoCAD 2005

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Start the Longbow Converter tool
1. Insert your AutoCAD 2005 CD into your CDRom drive
2. Select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “…” button, pick your AutoCAD CD
4. Click “Run Old Installer”
  1. Read and follow all the prompts
  2. Once the AutoCAD setup starts, stop and read the next step…
In the AutoCAD setup program, navigate through each setup dialog as normal, with these exceptions…
1. When you arrive at the installation folder path setup dialog…
  1. **it’s vitally important to make sure you install to c:\acad2005 (not Program Files (x86)\AutoCAD 2005)**. Now install…
  2. While installing…
    1. If you see an error in install “.NET Runtime Optimization Service has stopped working” – simply ignore by clicking the “Close Program” button
    2. When a message box appears warning that “64bit .NET Unavailable” – simply click OK to carry on and install AutoCAD as normal – this does not affect anything.
    3. Do not reboot if asked to do so
  3. Once installed
    1. Do not reboot if asked to do so
    2. Make sure to fully close the setup program when the installation is complete.
    3. Switch back to the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should display “SUCCESS!” – if not switch to the “Old AutoCAD Program Reviver” tab, pick the c:\acad2005 folder and click “Fix Old Program”
Finally, reboot your PC and run your AutoCAD as normal
1. NOTE: When starting AutoCAD, if you see a warning dialog when you run saying “This program has known compatibility issues”
  1. Click “Don’t show this message again”
  2. then click “Run the Program…”

Installing AutoCAD 2005 Sp1

To install the sp for your AutoCAD…

Download your AutoCAD 2005 Sp1
Copy the service pack exe installer to folder path c:\Autodesk\sp
Start the Converter App
1. select the 3rd tab named “Old AutoCAD Program Reviver“
2. Using the “. . .” button, pick the c:\Autodesk\sp folder
3. click “Fix Old Program“.
Now you can run the service pack exe installer from Windows explorer as normal

Troubleshooting

If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD LT 2000 on Windows 11

Posted on August 29, 2022 by simonbooth

Most users of AutoCAD LT 2000 are so used to it that they cannot do without it. With the latest hardware and required move to newer Windows versions, trying to install your AutoCAD LT 2000 gives an error like this one…

Windows 16bit setup error – This app can’t run on your PC

Or maybe this error…

Setup Halted System requirements error Wrong OS, AutoCAD supports Windows NT 4.0, Windows NT 5.0, Windows 95 and Windows 98

Error while trying to install AutoCAD LT 2000 on newer versions of Windows

…all is not lost, just read on…

Ransomware Protection Windows 11 and AutoCAD

Just before we start note that Windows 11 comes with a Ransomware Protection which includes Controlled Folder Access. Controlled folder access blocks applications from writing to your Documents, Pictures, Videos, Music, Public and Favorites folders. AutoCAD versions all the way to AutoCAD 2021 write to certain user Public folders and are therefore blocked by this feature. This can cause issues with all sorts of things including activating your AutoCAD license and even running AutoCAD. Ransomware Protection is an important feature of Windows 11 but it will affect your AutoCAD unless you allow AutoCAD and its dependent applications access to the controlled folders.

How to install AutoCAD LT 2000

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Now, start the Longbow Converter tool by double clicking the Longbow Converter shortcut on your Desktop… .
1. Insert your AutoCAD LT 2000 CD
2. Select the 2nd tab titled “Old AutoCAD Installer Reviver” by clicking on it
3. Next, using the ‘…’ button select your AutoCAD LT 2000 CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup.
5. Now, I know it’s unheard of these days, but at this point expect to wait at least 45 minutes for your AutoCAD 2000 setup.exe program to fully appear – please be patient
6. Once the setup starts, stop and read the next step…
Once the AutoCAD setup program appears navigate through each setup dialog as normal and do not deviate from the defaults except when you get to the installation folder – **it’s vitally important to make sure you install to c:\acadlt2000 (not Program Files (x86)\AutoCAD LT 2000 as usually prompted)** e.g.
1. 1. Now complete the setup making sure to…
    1. ignore the error message that appears near the end about the shortcut cannot be created “Cannot create folder AutoCAD LT 2000” – you will simply need to create the program shortcut yourself by hand once the installation is finished.
    2. Do not reboot if prompted to do so
Once setup has completed…
1. Make sure to fully close the AutoCAD setup program
2. Back in the Converter App, make sure it has completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should display “SUCCESS” in green…
Now Reboot your PC
Once rebooted, are ready to run your AutoCAD LT 2000! Simply use Windows Explorer, navigate to c:\acadlt2000 and double click aclt.exe

Troubleshooting

Plotting – if you are having plotting issues, either
- Install the AutoCAD 2000 plotupdate patch
- Download Autodesk DWG TrueView 2015 – it’s free and allows the latest plotters and plotting configurations.
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD LT97 on Windows 11

Posted on August 15, 2022 by simonbooth

AutoCAD LT97 users are very used to the software package and cannot do without it. With the latest hardware and required move to new Windows versions, trying to install your AutoCAD LT97 gives an error like this one…

“This app can’t run on your PC”

or this one…

“Wrong OS, AutoCAD supports Windows NT 4.0, Windows NT 5.0, Windows 95 and Windows 98” …all is not lost, follow these instructions to install your AutoCAD LT97 on Windows 11…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD LT97

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any

problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…

Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Once installed, start the Longbow Converter App…
1. Now place your AutoCAD LT97 CD in the CDRom Drive
2. In the Converter App, select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “. . .” button, select your AutoCAD LT97 installation CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup
  1. Now I know it’s unheard of these days, but at this point expect to wait up to 45 minutes for your AutoCAD LT97 setup.exe program to appear, be patient – NOTE: do not continue with the install until reading the next step…
5. Once the setup starts, stop and read the next steps all the way to the end! By the way, if your AutoCAD LT97 setup does not start after 45 minutes, read the Troubleshooting section below.
In the AutoCAD setup program…
1. navigate through each setup dialog as normal, with these exceptions…
  1. Make sure you do a Typical Install (not a Full Install)
  2. When you get to the installation folder input dialog **it’s vitally important to make sure you install to c:\acadlt97 (not Program Files\AutoCADLT97 as usually prompted)**

Now carry on with the install
1. Do not reboot once the install is complete
2. Ignore any errors related to not being able to create the shortcut e.g. “Cannot Create folder ‘AutoCAD LT97’, you will have to create a shortcut on your computer Desktop to your c:\acadlt97\aclt.exe by hand.
3. Again, do not reboot if prompted to do so
Once your AutoCAD setup has completed the installation…
1. Make sure you fully close the setup program.
2. Once the setup is closed the Converter will automatically fix the c:\acadlt97 program files. You should see “Success!” displayed in the 3rd tab named “Old AutoCAD Program Reviver“
3. Now reboot your PC
You can now run your AutoCAD LT97, using Windows Explorer, navigate to c:\acadlt97 and double click aclt.exe

Troubleshooting

If your AutoCAD LT97 setup is not starting after 45 minutes…
1. First try turning off UAC, rebooting, then restart the steps above.
2. If it is still failing, most likely it’s because of another application on your system which is preventing our setup routine from starting (perhaps anti-virus, or similar) – try installing LT97 from Windows Safe Mode
If you are getting an application failure with Unhandled Exception 0x800F0922
- The security software (ESET Nod 32) must uninstalled; suspending it not effective
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft

If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD LT 2002 on Windows 11

Posted on May 20, 2022 by simonbooth

If you are a seasoned AutoCAD LT 2002 user, no doubt you will at some point have run into the famous GEDIT 3 error and been very frustrated with it. That error occurs because of certain video card drivers and/or certain types of anti-virus software setups.

On Windows 10, Windows 7 and Windows 8, the GEDIT 3 error is even more prominent because of all the new security features that are inside of Windows 7 and 8. The good news is that it’s totally possible to eradicate the GEDIT 3 error by follow the instructions below.

Follow these instructions to solve issues around installing/running your legacy AutoCAD LT 2002 on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD LT 2002

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Start the Longbow Converter tool
1. Insert your AutoCAD LT 2002 CD into your CDRom drive
2. Select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “…” button, pick your AutoCAD CD
4. Click “Run Old Installer”
  1. Read and follow all the prompts
  2. Once the AutoCAD setup starts, stop and read the next step…
In the AutoCAD setup program, navigate through each setup dialog as normal, with these exceptions…
1. When you arrive at the installation folder path setup dialog…
  1. **it’s vitally important to make sure you install to c:\acadlt2002 (not Program Files (x86)\AutoCAD LT 2002 which is normally default)** – e.g.
  2. Once setup completes…
    1. Do not reboot if asked to do so
    2. Make sure to fully close the setup program when the installation is complete.
Back in the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab, it should say SUCCESS!
Finally, reboot your PC and run your AutoCAD and once registered, exit AutoCAD and continue to the next step.
Next, obtain the AutoCAD LT 2002 sp1 from here unzip and save to c:\Autodesk\sp – do not install yet
Next, obtain the AutoCAD LT 2002 sp2 from here (or AutoCAD LT 2002 sp2 locked version from here) and save to c:\Autodesk\sp – do not install yet
Go back into the Converter
1. select the 3rd tab named “Old AutoCAD Program Reviver”
2. Using the “. . .” button, select the c:\Autodesk\sp folder
3. click “Fix Old Program“.

1. 1. Now Install the LT 2002 sp1 by running c:\Autodesk\sp\acad2002LTsp1.exe
    1. IMPORTANT NOTE: If you get a 114 error, contact Longbow Software Support to get them to fix it for you.
  2. Next, install the LT 2002 sp2 by running either the unlocked c:\Autodesk\sp\acltk044-k047unl.exe or the locked c:\Autodesk\sp\acltk044-k047swl.exe
    1. IMPORTANT NOTE: If you get a 114 error, contact Longbow Software Support to get them to fix it for you.
Finally, reboot your PC and run AutoCAD as normal.

Troubleshooting

If you cannot install your AutoCAD LT 2002 Service Packs because of an error “114: Autocad LT 2002 update was not applied” – rather than try and solve this issue, the easiest solution is:
1. To go back to your old Windows XP machine and make sure that all of the sp’s are installed on your old Windows XP machine’s installation of AutoCAD LT 2002
2. Next, simply copy all of the AutoCAD LT 2002 program files and folders from your old Windows XP machine to a USB drive – copy the “contents” of C:\Program Files\AutoCAD LT 2002
3. Now transfer the USB to your new machine and copy the files that were on your old Windows XP machine’s C:\Program Files\AutoCAD LT 2002 folder into your newly installed c:\acadlt2002 folder – you should see a question if you should overwrite all files, say YES
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD for Windows 95 (LT95) on Windows 11

Posted on March 14, 2022 by simonbooth

As an existing AutoCAD LT95 user, you most likely cannot do without your beloved AutoCAD. With the latest hardware and required move to new Windows versions, trying to install your AutoCAD LT95 gives an error like this one…

“This app can’t run on your PC”

or this one…

“Wrong OS, AutoCAD supports Windows NT 4.0, Windows NT 5.0, Windows 95 and Windows 98”

…all is not lost, follow these instructions to install your LT95 on Windows 11…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD LT95

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…

Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Once installed, start the Longbow Converter App…
1. Now place your AutoCAD LT95 CD in the CDRom Drive
2. In the Converter App, select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “. . .” button, select your AutoCAD LT95 installation CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup
  1. Now I know it’s unheard of these days, but at this point expect to wait up to 45 minutes for your AutoCAD LT95 setup.exe program to appear, be patient – NOTE: do not continue with the install until reading the next step…
5. Once the setup starts, stop and read the next steps all the way to the end! By the way, if your AutoCAD LT95 setup does not start after 45 minutes, read the Troubleshooting section below.
In the AutoCAD LT95 setup program…
1. navigate through each setup dialog as normal, with these exceptions…
2. Make sure you do a Typical Install (not a Full Install)
3. When you get to the installation folder input dialog **it’s vitally important to make sure you install to c:\acadLT95 (not Program Files\AutoCAD LT95 as usually prompted)**
Now carry on with the install
1. Do not reboot once the install is complete
2. Ignore any errors related to not being able to create the shortcut e.g. “Cannot Create folder ‘AutoCAD LT95’“, you will have to create a shortcut on your computer Desktop to your c:\acadLT95\acad.exe by hand.
3. Again, do not reboot if prompted to do so
Once your AutoCAD LT95 setup has completed the installation…
1. Make sure you fully close the setup program.
2. Once the setup is closed the Converter will automatically fix the c:\acadLT95 program files. You should see “Success!” displayed in the 3rd tab named “Old AutoCAD Program Reviver“
3. Now reboot your PC
You can now run your AutoCAD LT95, using Windows Explorer, navigate to c:\acadLT95 and double click aclt.exe

Troubleshooting

If your AutoCAD setup is not starting after 45 minutes…
1. First try turning off UAC, rebooting, then restart the steps above.
2. If it is still failing, most likely it’s because of another application on your system which is preventing our setup routine from starting (perhaps anti-virus, or similar) – try installing LT95 from Windows Safe Mode
If you are getting either a Bad Mem Pointer error and or a Smartheap handler recursively re-entered error when you start your AutoCAD then you need to re-run all the steps above, taking care to do each step precisely as it says, most likely you are missing from step 5 or you have not installed to c:\acadLT95 as stated in step (7) above.
When starting AutoCAD, if you receive an ‘acad.exe – System Error’ message: The program can’t start because ac1st15.dll is missing from your computer. Try reinstalling the program to fix this problem. If you carried out step (7) above, then try rebooting your PC
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft
Issues with Calcomp Digitizer – Calcomp Digitizer not working
If the setup displays an error message InstallError (IUO)
(X) not enough space(IUO) try unplugging any External USB drives
Plotting issues? If you get an error splwow64.exe “The application was unable to start correctly” with error “0xc0000005”
1. Make sure your Anti-virus and/or Windows Firewall is not blocking splwow64.exe
2. If the problem persists
  1. First, note that you need the latest version of the Converter App
  2. Start the Converter App
  3. Select the 3d tab “Old AutoCAD Program Reviver”
  4. Click the Tools Menu->Reduced Power Mode
  5. Using the “…” button, pick your acad.exe folder e.g. c:\acadLT95
  6. Click “Fix Old Program” and follow prompts
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing 64bit AutoCAD LT 2016 on Windows 7, Windows 8 and Windows 10

Posted on March 8, 2022 by simonbooth

AutoCAD LT 2016 was not designed to run in Windows 10 (Windows 10 was released after AutoCAD LT 2016) and inevitably you will run into issues such as the infamous Ribbon crashing issue, slow startup problems, text scaling issues, etc.

You can automatically solve these problems using our Longbow Converter App, it fixes and manages the AutoCAD LT 2016 installation so that you can be up and running again… Just follow these easy instructions:

How to install 64bit AutoCAD LT 2016

First, uninstall any existing AutoCAD LT 2016 installations on your computer
Next, obtain the Longbow Converter App download here
Start the Converter tool
1. Pick the 1st tab named “AutoCAD 32bit Installer Converter“
2. Using your mouse, right-click the tab text “AutoCAD 32bit Installer Converter” so that it changes to “AutoCAD 64bit Installer Converter“
3. Next, using the “. . .” button, select your AutoCAD installation CD and follow the instructions presented by the Converter tool user interface.
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Once you have completed the AutoCAD installation process…
  1. Completely close the setup program
  2. Go back to the Converter App and make sure it states “Success!“
Now you can run your AutoCAD as normal

Troubleshooting

– If your AutoCAD is running really slowly, try disabling your integrated graphics card so you can run your high-performance card instead

– If you are unable to activate your product, or the activation process crashes:

Try uninstalling the July 2014 Microsoft security update

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Windows Hangs on Start up after installing AutoCAD 2010

Posted on February 21, 2022 by simonbooth

After installing AutoCAD 2010 (or any of the vertical versions) the next reboot causes the computer to hang on start up; Windows gets to the welcome screen and freezes.

Users have solved the issue like this:

Reinstall Windows 10 (or 11)
Install Longbow Converter App
reboot PC
Run Longbow and then install AutoCAD 2010 32bit using the Longbow Converter App (default install)
Install again https://www.microsoft.com/en-us/download/details.aspx?id=26347
Install again https://www.microsoft.com/en-us/download/details.aspx?id=26368
Install again https://www.microsoft.com/en-us/download/details.aspx?id=22
Reboot

Installing 32bit AutoCAD LT 2012 on Windows 11

Posted on February 11, 2022 by simonbooth

These instructions solve issues around installing/running your old AutoCAD 2012 on 64bit Windows 11. Some common issues are error messages like these

“This operating system is not supported by AutoCAD LT® 2012”
“You cannot install this product on the current operating system”
“You are attempting to use a 32-bit installer on a 64-bit operating system”
“This is a 32-bit AutoCAD LT® 2012. It cannot be installed on 64-bit Windows”

You can automatically solve these problems using our Longbow Converter App, it fixes and manages the AutoCAD LT 2012 installation so that you can be up and running again… Follow these instructions:

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD LT 2012

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Obtain your purchased copy of the Longbow Converter here
Start the Converter App and note the user interface
Select the 1st tab named “AutoCAD 32bit Installer Converter“
1. Using the “. . .” button, selection your AutoCAD installation CD
2. Next, click the “Convert“ button and follow instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
  1. if you see a dialog stating “An App on your PC needs the following Windows Feature: .NET Framework 3.5 (includes .NET 2.0 and 3.0)” be sure to click “Download and install this feature” as this must be installed in order for the setup to run.
2. Simply install as normal, remembering to…
  1. Close the setup program when the installation is complete.
  2. Back in the Converter app and make sure it has completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should be green stating “SUCCESS”
Now run your AutoCAD as normal

Installing AutoCAD 2012 Service Packs

We recommend that you download and install the latest Service Packs from Autodesk which can be found here

AutoCAD LT 2012 sp1 – install as normal
AutoCAD LT 2012 sp2 – install as normal

Troubleshooting

If your AutoCAD crashes while interacting with the Ribbon click here
If you are unable to activate your product, or the activation process crashes:
1. Try uninstalling the July 2014 Microsoft security update
2. Try downgrading your Internet Explorer (IE) from version 11 to version 10 by following the instructions detailed here
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD 2007 on Windows 11

Posted on February 1, 2022 by simonbooth

If you are trying to install your old version of AutoCAD 2007 on Windows 11 you can run into lots of problems. Because there are so many issues, we created an App called the Longbow Converter to automatically smooth over installation and running issues for you. All you need to do is follow these steps to install your AutoCAD 2007 on Windows 11 and make it work…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2007

A quick word of advice: please follow the instructions below precisely as documented (including using the same folder names and paths) as this will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Now, start the Longbow Converter tool by double clicking the Longbow Converter shortcut on your Desktop…
Start the Longbow Converter tool
1. Insert your AutoCAD 2007 CD into your CDRom drive
2. Select the 2nd tab named “Old AutoCAD Installer Reviver”
  1. Using the “…” button, path the to your AutoCAD 2007 CD
  2. Click “Run Old Installer”
    1. Read and follow all the prompts
    2. If you see a dialog stating “An App on your PC needs the following Windows Feature: .NET Framework 3.5 (includes .NET 2.0 and 3.0)” be sure to click “Download and install this feature” as this must be installed in order for the setup to run
    3. Once the AutoCAD 2007 setup starts, stop and read the next step…
In the setup program, navigate through each setup dialog as normal, with these exceptions…
1. When you click the Install link from your setup you may see a dialog box appear saying – “This program has compatibility issues” – simply check the “Don’t show this message again” and then click the “Run the program without getting help” button
2. When you arrive at the installation folder path setup dialog, **it’s vitally important to make sure you install to c:\acad2007 (not Program Files (x86)\AutoCAD 2007)**.
3. Once AutoCAD has installed
  1. completely close setup
  2. Go back to the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
Now reboot your PC and run your AutoCAD as normal
1. NOTE: When starting AutoCAD, if you see a warning dialog when you run saying “This program has known compatibility issues”, simply click “Don’t show this message again” and then click “Run the Program…”

Installing AutoCAD 2007 Sp1

To install the sp for your AutoCAD…

Download and unzip the AutoCAD 2007 Sp1
Copy the autocad2007sp1.exe to folder path c:\Autodesk\sp
Start the Converter, select the 3rd tab, pick the c:\Autodesk\sp folder and click Fix.
Now you can run the autocad2007sp1.exe from Windows explorer and install normally.
Next install sp2 just below…

Installing AutoCAD 2007 Sp2

To install the sp for your AutoCAD…

Download and unzio the AutoCAD 2007 Sp2
Copy the autocad2007sp2.exe to folder path c:\Autodesk\sp
Start the Converter, select the 3rd tab, pick the c:\Autodesk\sp folder and click Fix.
Now you can run the autocad2007sp2.exe from Windows explorer and install normally.

Troubleshooting

If you are unable to activate your product, or the activation process crashes
1. Autodesk no longer supply License Activation codes for this version of AutoCAD. The best way is to transfer your existing license to the new PC but there are other options, we document them here
2. Try uninstalling the July 2014 Microsoft security update
3. Try downgrading your Internet Explorer (IE) from version 11 to version 10 by following the instructions detailed here
4. Perhaps you have a SATA drive – Activation problems with AutoCAD 2006 and AutoCAD 2007
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing 32bit AutoCAD 2012 on Windows 11

Posted on January 31, 2022 by simonbooth

These instructions solve issues around installing/running your old AutoCAD 2012 on 64bit Windows 11. Some common issues are error messages like these

“This operating system is not supported by AutoCAD® 2012”
“You cannot install this product on the current operating system”
“You are attempting to use a 32-bit installer on a 64-bit operating system”
“This is a 32-bit AutoCAD® 2012. It cannot be installed on 64-bit Windows”

You can automatically solve these problems using our Longbow Converter App, it fixes and manages the AutoCAD 2012 installation so that you can be up and running again… Follow these instructions:

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2012

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Obtain your purchased copy of the Longbow Converter here
Start the Converter App and note the user interface
Select the 1st tab named “AutoCAD 32bit Installer Converter“
1. Using the “. . .” button, selection your AutoCAD installation CD
2. Next, click the “Convert“ button and follow instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
  1. if you see a dialog stating “An App on your PC needs the following Windows Feature: .NET Framework 3.5 (includes .NET 2.0 and 3.0)” be sure to click “Download and install this feature” as this must be installed in order for the setup to run.
2. Simply install as normal, remembering to…
  1. Close the setup program when the installation is complete.
  2. Back in the Converter app and make sure it has completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should be green stating “SUCCESS”
Now run your AutoCAD as normal

Installing AutoCAD 2012 Service Packs

We recommend that you download and install the latest Service Packs from Autodesk which can be found here

AutoCAD 2012 sp1 – install as normal
Install the 2012 Ribbon Hotfix – install as normal
AutoCAD 2012 sp2 – install as normal

Troubleshooting

If your AutoCAD crashes while interacting with the Ribbon click here
If you are unable to activate your product, or the activation process crashes:
1. Try uninstalling the July 2014 Microsoft security update
2. Try downgrading your Internet Explorer (IE) from version 11 to version 10 by following the instructions detailed here
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD 2004 on Windows 11

Posted on January 31, 2022 by simonbooth

NOTE: We currently only support US unlocked versions of 2004 on 64bit OS. European or locked US support 2004 is limited only to 32bit Windows 11.

Follow these instructions to solve issues around installing/running your legacy AutoCAD 2004 on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2004

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Start the Longbow Converter tool
1. Insert your AutoCAD 2004 CD into your CDRom drive
2. Select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “…” button, pick your AutoCAD CD
4. Click “Run Old Installer”
  1. Read and follow all the prompts
  2. Once the AutoCAD setup starts, stop and read the next step…
In the AutoCAD setup program, navigate through each setup dialog as normal, with these exceptions…
1. When you arrive at the installation folder path setup dialog…
  1. **it’s vitally important to make sure you install to c:\acad2004 (not Program Files (x86)\AutoCAD 2004)**. Now install…
  2. While installing…
    1. If you see an error in install “.NET Runtime Optimization Service has stopped working” – simply ignore by clicking the “Close Program” button
    2. Do not reboot if asked to do so
  3. Once installed
    1. Do not reboot if asked to do so
    2. Make sure to fully close the setup program when the installation is complete.
    3. Back in the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
Finally, reboot your PC and run your AutoCAD as normal
1. NOTE: When starting AutoCAD, if you see a warning dialog when you run saying “This program has known compatibility issues”
  1. Click “Don’t show this message again”
  2. then click “Run the Program…”

Installing AutoCAD 2004 Sp1

To install the sp for your AutoCAD…

Download your AutoCAD 2004 Sp1
Copy the service pack exe installer to folder path c:\Autodesk\sp
Start the Converter App
1. select the 3rd tab named “Old AutoCAD Program Reviver“
2. Using the “. . .” button, pick the c:\Autodesk\sp folder
3. click “Fix Old Program“.
Now you can run the service pack exe installer from Windows explorer as normal

Troubleshooting

If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD ADT 2000/2i on Windows 11

Posted on January 27, 2022 by simonbooth

Users of AutoCAD Architectural Desktop 2i (aka AutoCAD ADT 2000) are very used to the software package and cannot do without it. With the latest hardware and required move to new Windows versions, trying to install your AutoCAD ADT 2000 gives an error like this one…

Windows 16bit setup error – This app can’t run on your PC

Or maybe this error…

Error trying to install AutoCAD ADT 2i on Windows 11

…all is not lost, just read on…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD ADT 2000

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Now, start the Longbow Converter tool by double clicking the Longbow Converter shortcut on your Desktop… .
1. Insert your AutoCAD ADT 2000 CD
2. Select the 2nd tab titled “Old AutoCAD Installer Reviver” by clicking on it
3. Next, using the ‘…’ button select your AutoCAD ADT 2000 CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup.
For AutoCAD ADT 2000, the Migration Wizard almost instantly pops up
1. simply click “Install….” as normal.
2. Now, I know it’s unheard of these days, but at this point expect to wait at least 45 minutes for your AutoCAD ADT 2000 setup.exe program to fully appear – please be patient
3. Once the setup starts, stop and read the next step…
In the setup program, navigate through each setup dialog as normal, except when you get to the installation folder **it’s vitally important to make sure you install to c:\adt2000 (not Program Files (x86)\AutoCAD Architectural Desktop as usually prompted)** e.g.
1. Once you have set the Destination Folder to c:\adt2000, install as normal by selecting the Typical install
2. Ignore the error message that the shortcut cannot be created “Cannot create folder AutoCAD Architectural Desktop” you will need to create the program shortcut by hand once the installation is finished.
3. Do not reboot if prompted to do so
Once setup has completed…
1. Make sure to fully close the setup program
2. Back in the Converter App…
  1. make sure it has completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should display “SUCCESS” in green…
Now Reboot your PC
Your AutoCAD ADT 2i is ready to run as it is right now, simply use Windows Explorer, navigate to c:\adt2000 and double click acad.exe (if you want a shortcut on the Desktop you will have to manually create it)

Installing AutoCAD 2000 Express Tools

If you rely on AutoCAD 2000 Express Tools or you are seeing “Missing Application: RTEXT” Proxy dialog when you are loading on a drawing, here are the instructions for installing Express Tools Volume 9 for AutoCAD 2000

Installing AutoCAD 2000 Service Pack 1

Download AutoCAD 2000 sp1 from here
1. Unzip the downloaded zip file to folder path c:\Autodesk\sp
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. pick the c:\Autodesk\sp\AutoCAD 2000 sp1 folder
3. click ‘Run Old Installer‘
4. Wait for the setup to appear, it could take up to 45 minutes, then install as normal

Installing AutoCAD 2000 Service Pack 2

Download AutoCAD 2000 sp2 from here
Unzip the downloaded zip file to folder path c:\Autodesk\sp
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. pick the c:\Autodesk\sp\AutoCAD 2000 sp2 folder
3. click ‘Run Old Installer‘
4. Wait for the setup to appear, it could take up to 45 minutes, then install as normal

Installing AutoCAD 2000 3D Graphics System Update 1

If you use 3D a lot in AutoCAD 2000, you should read on to install the 3DUpdate…

Download AutoCAD 2000 3D Graphics System Update1 from here
Unzip your newly downloaded sp to folder path c:\Autodesk\update
Start the Converter, select the 2nd tab, pick the c:\Autodesk\update folder and click ‘Run’
Wait for the setup to appear, it could take up to 45 minutes, then install as normal.

NOTE: Some users have found that the 3D Graphics System Update runs through the install as normal but doesn’t actually update the modules. If you suspect this is true, contact Longbow Software Support.

Troubleshooting

If your AutoCAD ADT 2000 setup is not starting after 45 minutes
- try rebooting, then restart the steps above. If it is still failing, most likely it’s because of another application on your system which is preventing our setup routine from starting (perhaps anti-virus, or similar) – try installing AutoCAD 2000 from Windows Safe Mode
If when you start AutoCAD, you see error messages about missing missing aclst15.dll or missing ACUTIL15.dll or missing ACDB15.dll or missing acge15.dll
- In the Converter app Using the 3rd tab, pick your c:\adt2000 folder and click ‘Fix’. Then reboot…
- If this doesn’t fix the problem, contact Longbow Software Support.

Plotting – if you are having plotting issues, either
- Install the AutoCAD 2000 plotupdate patch
- Download Autodesk DWG TrueView – it’s free and allows the latest plotters and plotting configurations.
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft
Issues with Calcomp Digitizer – Calcomp Digitizer not working
If you still see the error “Wrong OS, AutoCAD supports Windows NT 4.0, Windows NT 5.0, Windows 95 and Windows 98” even after converting
- Copy the AutoCAD ADT 2000 CD fresh to your computer, then start from step (1) again
- If you still get the error, you need the latest version of the Longbow Converter tool
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD 2000 on Windows 11

Posted on January 15, 2022 by simonbooth

Most current AutoCAD 2000 users are very used to the software package and cannot do without it. With the latest hardware and required move to new Windows versions, trying to install your AutoCAD 2000 gives an error like this one…

Windows 16bit setup error – This app can’t run on your PC

Or maybe this error…

Error while trying to install AutoCAD 2000

…all is not lost, just read on…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2000

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and Click OK…
Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Now, start the Longbow Converter tool by double clicking the Longbow Converter shortcut on your Desktop… .
1. Insert your AutoCAD 2000 CD
2. Select the 2nd tab titled “Old AutoCAD Installer Reviver” by clicking on it
3. Next, using the ‘…’ button select your AutoCAD 2000 CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup.
For AutoCAD 2000, the Migration Wizard almost instantly pops up
1. simply click “Install 2000” as normal.
2. Now, I know it’s unheard of these days, but at this point expect to wait at least 45 minutes for your AutoCAD 2000 setup.exe program to fully appear – please be patient
3. Once the setup starts, stop and read the next step…
In the setup program, navigate through each setup dialog as normal, except when you get to the installation folder **it’s vitally important to make sure you install to c:\acad2000 (not Program Files (x86)\AutoCAD 2000 as usually prompted)** e.g.Setting AutoCAD 2000 custom install directory to c:\acad2000 $Setting AutoCAD 2000 custom install directory to c:\acad2000$
1. Once you have set the Destination Folder to c:\acad2000, install as normal by selecting the Typical install
2. Ignore the error message that the shortcut cannot be created “Cannot create folder AutoCAD 2000“, you will need to create the program shortcut by hand once the installation is finished.
3. Do not reboot if prompted to do so
Once setup has completed…
1. Make sure to fully close the setup program
2. Back in the Converter App…
  1. make sure it has completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should display “SUCCESS” in green…
Now Reboot your PC
Your AutoCAD 2000 is ready to run as it is right now, simply use Windows Explorer, navigate to c:\acad2000 and double click acad.exe (if you want a shortcut on the Desktop you will have to manually create it)

Installing AutoCAD 2000 Express Tools

Installing AutoCAD 2000 ObjectDBX Classes Object Enabler

Download AutoCAD 2000 ObjectDBX Classes Object Enabler from here
Unzip to folder path c:\Autodesk
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. Using the “…” button, pick the c:\Autodesk\AutoCAD 2000 – ObjectDBX Classes Object Enabler folder
3. click ‘Run Old Installer‘
4. Install as normal

Installing AutoCAD 2000 AEC Object Enabler 2.11

Download AutoCAD 2000 AEC Object Enabler 2.11 from here
Unzip your newly downloaded sp to folder path c:\Autodesk\AutoCAD2000-AEC211
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. Using the “…” button, pick the c:\Autodesk\AutoCAD2000-AEC211 folder
3. click ‘Run Old Installer‘
4. Wait for the setup to appear, it could take up to 45 minutes, then install as normal

Installing AutoCAD 2000 Architectural Object Enabler 3.02

Download AutoCAD 2000 Architectural Object Enabler 3.02 from here
Unzip and install as normal

Installing AutoCAD 2000 Service Pack 1

NOTE: Recommended only installing this sp if you really need it. Installing this service pack may break your AutoCAD because it may not match your specific AutoCAD CD. If it breaks, you will have to uninstall AutoCAD and reinstall again.

Download AutoCAD 2000 sp1 from here
1. Unzip the downloaded zip file to folder path c:\Autodesk\sp
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. pick the c:\Autodesk\sp\AutoCAD 2000 sp1 folder
3. click ‘Run Old Installer‘
4. Wait for the setup to appear, it could take up to 45 minutes, then install as normal

Installing AutoCAD 2000 Service Pack 2

Download AutoCAD 2000 sp2 from here
Unzip the downloaded zip file to folder path c:\Autodesk\sp
Start the Converter
1. select the 2nd tab named “Old AutoCAD Installer Reviver“
2. pick the c:\Autodesk\sp\AutoCAD 2000 sp2 folder
3. click ‘Run Old Installer‘
4. Wait for the setup to appear, it could take up to 45 minutes, then install as normal

Installing AutoCAD 2000 3D Graphics System Update 1

If you use 3D a lot in AutoCAD 2000, you should read on to install the 3DUpdate…

Download AutoCAD 2000 3D Graphics System Update1 from here
Unzip your newly downloaded sp to folder path c:\Autodesk\update
Start the Converter, select the 2nd tab, pick the c:\Autodesk\update folder and click ‘Run’
Wait for the setup to appear, it could take up to 45 minutes, then install as normal.

Troubleshooting

If your AutoCAD 2000 setup is not starting after 45 minutes
- try rebooting, then restart the steps above. If it is still failing, most likely it’s because of another application on your system which is preventing our setup routine from starting (perhaps anti-virus, or similar) – try installing AutoCAD 2000 from Windows Safe Mode
If when you start AutoCAD, you see error messages about missing missing aclst15.dll or missing ACUTIL15.dll or missing ACDB15.dll or missing acge15.dll
- In the Converter app Using the 3rd tab, pick your c:\acad2000 folder and click ‘Fix’. Then reboot…
- If this doesn’t fix the problem, contact Longbow Software Support.

Plotting – if you are having plotting issues, either
- Install the AutoCAD 2000 plotupdate patch
- Download Autodesk DWG TrueView 2015 – it’s free and allows the latest plotters and plotting configurations.
If you see Proxy Warning Dialogs when you open a DWG using AutoCAD 2000, you need to install the service packs as described above.
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft
Issues with Calcomp Digitizer – Calcomp Digitizer not working
If you still see the error “Wrong OS, AutoCAD supports Windows NT 4.0, Windows NT 5.0, Windows 95 and Windows 98” even after converting
- Copy the AutoCAD 2000 CD fresh to your computer, then start from step (1) again
- If you still get the error, you need the latest version of the Longbow Converter tool
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing AutoCAD R14 on Windows 11

Posted on January 14, 2022 by simonbooth

As an existing AutoCAD R14 user, you most likely cannot do without your beloved AutoCAD R14. With the latest hardware and required move to new Windows versions, trying to install your AutoCAD R14 gives an error like this one…

“FATAL ERROR: HEAP ERROR”

MEM_BAD_POINTER

…all is not lost, follow these instructions to install your R14 on Windows 11…

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD R14

A quick word of advice: please follow the instructions below precisely as documented including using the same folder names and paths. This will significantly reduce the risk of having any problems…

If you don’t yet have a copy of the Longbow Converter App you can purchase it here or click on the download link we sent you via email in order to download the Converter App to your PC.
Before installing the Converter App, make sure the files downloaded from our site are not blocked by Windows SmartScreen… Windows 11 is finicky, click the TLC zip first to make sure it’s fully selected then Right+click the file and select Properties. Be sure to check the Unblock checkbox as shown below and click OK…

Double click the zip file to open it and install the TLC application as normal. By the way, TLC stands for The Longbow Converter
Once installed, start the Longbow Converter App…
1. Now place your AutoCAD R14 CD in the CDRom Drive
2. In the Converter App, select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “. . .” button, select your AutoCAD R14 installation CD
4. Next, click the “Run Old Installer” button and follow the onscreen instructions. If all is well a dialog will appear stating success, simply click OK to start your AutoCAD setup
  1. Now I know it’s unheard of these days, but at this point expect to wait up to 45 minutes for your AutoCAD R14 setup.exe program to appear, be patient – NOTE: do not continue with the install until reading the next step…
5. Once the setup starts, stop and read the next steps all the way to the end! By the way, if your AutoCAD R14 setup does not start after 45 minutes, read the Troubleshooting section below.
In the AutoCAD R14 setup program…
1. navigate through each setup dialog as normal, with these exceptions…
  1. Make sure you do a Typical Install (not a Full Install)
  2. When you get to the installation folder input dialog **it’s vitally important to make sure you install to c:\acadR14 (not Program Files\AutoCAD R14 as usually prompted)**

You must change the install path to c:\acadR14

Now carry on with the install
1. Do not reboot once the install is complete
2. Ignore any errors related to not being able to create the shortcut e.g. “Cannot Create folder ‘AutoCAD R14’“, you will have to create a shortcut on your computer Desktop to your c:\acadR14\acad.exe by hand.
3. Again, do not reboot if prompted to do so
Once your AutoCAD R14 setup has completed the installation…
1. 1. Make sure you fully close the setup program.
  2. Once the setup is closed the Converter will automatically fix the c:\acadr14 program files. You should see “Success!” displayed in the 3rd tab named “Old AutoCAD Program Reviver“
1. Now reboot your PC
You can now run your AutoCAD R14, using Windows Explorer, navigate to c:\acadR14 and double click acad.exe

Troubleshooting

If your AutoCAD R14 setup is not starting after 45 minutes…
1. First try turning off UAC, rebooting, then restart the steps above.
2. If it is still failing, most likely it’s because of another application on your system which is preventing our setup routine from starting (perhaps anti-virus, or similar) – try installing R14 from Windows Safe Mode
If you are getting either a Bad Mem Pointer error and or a Smartheap handler recursively re-entered error when you start your AutoCAD R14 then you need to re-run all the steps above, taking care to do each step precisely as it says, most likely you are missing from step 5 or you have not installed to c:\acadR14 as stated in step (7) above.
When starting AutoCAD, if you receive an ‘acad.exe – System Error’ message: The program can’t start because ac1st15.dll is missing from your computer. Try reinstalling the program to fix this problem. If you carried out step (7) above, then try rebooting your PC
If you are getting a WinHelp() error when pressing F1 to try and access the Help system then simply install the WinHelp (WinHlp32.exe) module from Microsoft
Issues with Calcomp Digitizer – Calcomp Digitizer not working
If the setup displays an error message InstallError (IUO)
(X) not enough space(IUO) try unplugging any External USB drives
Plotting issues? If you get an error splwow64.exe “The application was unable to start correctly” with error “0xc0000005”
1. Make sure your Anti-virus and/or Windows Firewall is not blocking splwow64.exe
2. If the problem persists
  1. First, note that you need the latest version of the Converter App
  2. Start the Converter App
  3. Select the 3d tab “Old AutoCAD Program Reviver”
  4. Click the Tools Menu->Reduced Power Mode
  5. Using the “…” button, pick your acad.exe folder e.g. c:\acadr14
  6. Click “Fix Old Program” and follow prompts
If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing 32bit AutoCAD Land Desktop 2008 (LDT) on 64bit Windows 7, 8 and Windows 10

Posted on June 1, 2021 by simonbooth

These instructions solve issues around installing/running your old AutoCAD LDT 2008 on newer versions of 64bit Windows 7, Windows 8 and Windows 10. Some common issues are error messages like these…

“This operating system is not supported by AutoCAD® Land Desktop 2008”
“You cannot install this product on the current operating system”
“You are attempting to use a 32-bit installer on a 64-bit operating system”
“This is a 32-bit AutoCAD® Land Desktop 2008. It cannot be installed on 64-bit Windows”

You can automatically solve these problems using our Longbow Converter App, it manages the AutoCAD LDT 2008 installation so that you can be up and running again, no problem… Just follow these instructions:

How to install AutoCAD LDT 2008

This image has an empty alt attribute; its file name is ProblemSolved-1.png

Obtain your purchased copy of the Longbow Converter here
Start the Converter App and note the user interface
Select the 1st tab named “AutoCAD 32bit Installer Converter“
1. Using the “. . .” button, selection your AutoCAD installation CD
2. Next, click the “Convert“ button and follow the App instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Simply install as normal, then…
  1. Make sure to close the setup program when the installation is complete.
  2. Next, switch back in the Converter App and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
Now run your AutoCAD as normal

Troubleshooting

– If your AutoCAD crashes while interacting with the Ribbon click here

– If you are unable to activate your product, or the activation process crashes:

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Installing 32bit AutoCAD Civil3d 2008 on Windows 7, Windows 8 and Windows 10

Posted on March 16, 2021 by simonbooth

These instructions solve issues around installing/running your AutoCAD C3D 2008 on newer 64bit Windows 7, Windows 8 and Windows 10.

Some more common issues stopping you from using your AutoAD are error messages like these…

“This operating system is not supported by AutoCAD Civil3d 2008”

“FATAL ERROR: Unhandled 0x… Exception…”

You can solve all the problems with your AutoCAD C3D 2008 automatically by using our Longbow Converter App, it fixes and manages the AutoCAD C3D 2008 installation so that you can be up and running again.

NOTE: Autodesk no longer supply License Activation codes. Once you have installed your AutoCAD (following the instructions below) you will need to authorize/activate your AutoCAD yourself, find out how by clicking here

How to install Civil3d 2008

Obtain your purchased copy of the Longbow Converter here
Start the Converter App
Insert your AutoCAD C3D CD into your CDRom drive…
1. Select the 1st tab named “AutoCAD 32bit Installer Converter“
2. Using the “. . .” button, select your AutoCAD C3D installation CD
3. Next, click the “Convert“ button and follow instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Simply install as normal, remembering to…
  1. Fully close the AutoCAD setup application once complete
  2. Do not reboot, if prompted
  3. Close the Converter App.
Now run as normal

Installing the AutoCAD Civil3d 2008 Service Packs

Civil3d sp2 (Update 2) already contains sp1, so just install that…

Download the Download the AutoCAD C3D 2008 sp2 zip from here (c3d2008_sp2.exe )
Run as normal to install

Troubleshooting

– If you are unable to activate your product, or the activation process crashes:

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD Copyright 2019 (c) Longbow Software

AutoCAD 2002 setup stuck at very end

Posted on February 4, 2021 by simonbooth

If you are installing AutoCAD 2002 and your setup is just sitting there right at the end at about 99% complete showing “Please wait, installation in progress”…

Start Task Manager (right click on the Windows Taskbar and click “Start Task Manager”
In Task Manager, make sure you have enabled the “Detailed view”
Pick the “Details” tab
Search for all “msiexec.exe”
Now look at all the msiexec.exe’s “PID” values
1. Right click the msiexec.exe with the highest PID value (last run) and select “End Process Tree”
  1. Now check the AutoCAD setup, is it continuing again?
  2. If not, repeat 5.1

This app has been blocked for your protection

Posted on February 4, 2021 by simonbooth

If you are receiving a Windows error like this while installing, running or updating AutoCAD…

This app has been blocked for your protection — Installing an LT 2009 sp blocked by Windows

You will need the latest version of the Longbow Converter – download here

Start the Converter App
Click the Tools Menu->Advanced->Disable Windows 10 AAM
Now reboot and try your software again

Installing AutoCAD MDT 2005 on Windows 7, Windows 8 and Windows 10

Posted on January 29, 2021 by simonbooth

Follow these instructions to solve issues around installing/running your old AutoCAD Mechanical 2005 on Windows 7, Windows 8 and Windows 10

IMPORTANT NOTE: Autodesk no longer supply License Activation codes for this version of AutoCAD. The best way is to transfer your existing license to the new PC but there are other options, we document them here

How to install MDT 2005

Obtain your purchased copy of the Longbow Converter here
Start the Longbow Converter tool
1. Insert your AutoCAD CD into your CDRom drive
2. Select the 2nd tab named “Old AutoCAD Installer Reviver“
3. Using the “…” button, path the to your AutoCAD CD
4. Click “Run Old Installer”
  1. Read and follow all the prompts
  2. Once the AutoCAD setup starts, stop and read the next step…
In the AutoCAD setup program, navigate through each setup dialog as normal, with these exceptions…
1. When you arrive at the installation folder path setup dialog…
  1. it’s vitally important to make sure you install to c:\mdt2005 (not Program Files (x86)\AutoCAD Mechanical 2005)
2. While installing…
  1. If you see an error in install “.NET Runtime Optimization Service has stopped working” – simply ignore by clicking the “Close Program” button
  2. If a message box appears warning that “64bit .NET Unavailable” – simply click OK to carry on and install AutoCAD as normal – this does not affect anything.
  3. Do not reboot if asked to do so
3. Once installed
  1. Do not reboot if asked to do so
  2. Make sure to fully close the setup program when the installation is complete.
  3. Switch back to the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab – it should display “SUCCESS!”
Finally, reboot your PC and run your AutoCAD as normal
1. NOTE: When starting AutoCAD, if you see a warning dialog when you run saying “This program has known compatibility issues”
  1. Click “Don’t show this message again”
  2. then click “Run the Program…”

Troubleshooting

– If you are unable to activate your product, or the activation crashes:

Try uninstalling the July 2014 Microsoft security update
Try downgrading your Internet Explorer (IE) from version 11 to version 10 by following the instructions detailed here
If all else fails, call Autodesk – they can authorize your software for you; you will need to give them proof of purchase, your serial number and request code.

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Block AutoCAD internet access

Posted on January 4, 2021 by simonbooth

If you want to run AutoCAD in offline mode and block all internet access to and from AutoCAD executables, including the licensing modules and tracking components…

Obtain your purchased copy of the Longbow Converter here
Start the Converter App
Select the 3st tab named “Old AutoCAD Program Reviver”
1. Using the “. . .” button, selection your AutoCAD installation
2. Enable “Run in Offline Mode“
3. Click “Fix Old Program“

NOTE: You can re-enable by disabling “Run in Offline Mode” and then clicking “Fix Old Program“

Installing 32bit AutoCAD Mechanical 2011 on Windows 7, Windows 8 and Windows 10

Posted on November 13, 2020 by simonbooth

These instructions solve issues around installing/running your old AutoCAD Mechanical 2011 on newer versions of 64bit Windows 7, Windows 8 and Windows 10. Some common issues are error messages like these

“This operating system is not supported by AutoCAD® Mechanical 2011”
“You cannot install this product on the current operating system”
“You are attempting to use a 32-bit installer on a 64-bit operating system”
“This is a 32-bit AutoCAD® Mechanical 2011. It cannot be installed on 64-bit Windows”

You can automatically solve these problems using our Longbow Converter App, it fixes and manages the AutoCAD Mechanical 2011 installation so that you can be up and running again… Follow these instructions:

How to install AutoCAD MDT 2011

Obtain your purchased copy of the Longbow Converter here
Start the Converter App and note the user interface
Select the 1st tab named “AutoCAD 32bit Installer Converter“
1. Using the “. . .” button, selection your AutoCAD installation CD
2. Next, click the “Convert“ button and follow instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Simply install as normal, remembering to…
  1. Close the setup program when the installation is complete.
  2. Now back in the Converter app and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
Now run your AutoCAD as normal
1. NOTE: We highly recommend you install the service packs below

Installing AutoCAD MDT 2011 Service Packs

We recommend that you download and install the latest Service Packs from Autodesk which can be found here

AutoCAD Mechanical 2011 has 2 updates, you must install Update 1.1 first then Update 2… Here are the instructions for installing the AutoCAD MDT 2011 sp/updates/service packs

Troubleshooting

– If your AutoCAD crashes while interacting with the Ribbon click here

– If you are unable to activate your product, or the activation process crashes:

Installing 64bit AutoCAD LT 2015 on Windows 7, Windows 8 and Windows 10

Posted on October 11, 2020 by simonbooth

AutoCAD LT 2015 was not designed to run in Windows 10 (Windows 10 was released after AutoCAD LT 2015) and inevitably you will run into issues such as the infamous Ribbon crashing issue, slow startup problems, text scaling issues, etc.

You can automatically solve these problems using our Longbow Converter App, it fixes and manages the AutoCAD LT 2015 installation so that you can be up and running again… Just follow these easy instructions:

How to install 64bit AutoCAD LT 2015

First, uninstall any existing AutoCAD LT 2015 installations on your computer
Next, obtain the Longbow Converter App download here
Start the Converter tool
1. Pick the 1st tab named “AutoCAD 32bit Installer Converter“
2. Using your mouse, right-click the tab text “AutoCAD 32bit Installer Converter” so that it changes to “AutoCAD 64bit Installer Converter“
3. Next, using the “. . .” button, select your AutoCAD installation CD and follow the instructions presented by the Converter tool user interface.
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Once you have completed the AutoCAD installation process…
  1. Completely close the setup program
  2. Go back to the Converter App and make sure it states “Success!“
Now you can run your AutoCAD as normal

Installing AutoCAD LT 2015 sp2

Service Pack 2 also includes all of the updates from Service Pack 1.
Download AutoCAD LT 2015 sp2 and install normally

Troubleshooting

– If your AutoCAD is running really slowly, try disabling your integrated graphics card so you can run your high-performance card instead

– If you are unable to activate your product, or the activation process crashes:

Try uninstalling the July 2014 Microsoft security update

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

AutoCAD FATAL ERROR Unhandled c000000dh Exception at 719d4ba1h

Posted on September 28, 2020 by simonbooth

This error can happen if you upgrade your Windows version (say Windows 7) to Windows 10 without first removing your AutoCAD install. Check out this post where we talk about how to correctly upgrade your AutoCAD to Windows 10

If you are hitting this error:

try installing your AutoCAD’s latest Service Packs/Updates
add all application exe’s to your anti-virus Exclusion list

If that doesn’t solve the issue then most likely you will have problems remedying because even an uninstall/reinstall doesn’t solve the problem.

If you get stuck with this issue, you can contact us and we’ll try and help

Installing 32bit AutoCAD Land Desktop 2009 (LDT) on 64bit Windows 7, 8 and Windows 10

Posted on September 8, 2020 by simonbooth

These instructions solve issues around installing/running your old AutoCAD LDT 2009 on newer versions of 64bit Windows 7, Windows 8 and Windows 10. Some common issues are error messages like these…

“This operating system is not supported by AutoCAD® Land Desktop 2009”
“You cannot install this product on the current operating system”
“You are attempting to use a 32-bit installer on a 64-bit operating system”
“This is a 32-bit AutoCAD® Land Desktop 2009. It cannot be installed on 64-bit Windows”

You can automatically solve these problems using our Longbow Converter App, it manages the AutoCAD LDT 2009 installation so that you can be up and running again, no problem… Just follow these instructions:

How to install AutoCAD LDT 2009

Obtain your purchased copy of the Longbow Converter here
Start the Converter App and note the user interface
Select the 1st tab named “AutoCAD 32bit Installer Converter“
1. Using the “. . .” button, selection your AutoCAD installation CD
2. Next, click the “Convert“ button and follow the App instructions
Once the conversion process is complete
1. click Install/Run Setup to start setup
2. Simply install as normal, then…
  1. Make sure to close the setup program when the installation is complete.
  2. Next, switch back in the Converter App and make sure it’s completed the final stage of processing using the “Old AutoCAD Program Reviver” tab
Now run your AutoCAD as normal

Installing AutoCAD LDT 2009 Service Packs

We recommend that you download and install the latest Service Packs from here

Troubleshooting

– If your AutoCAD crashes while interacting with the Ribbon click here

– If you are unable to activate your product, or the activation process crashes:

– If you have crashing problems using the File->Open or File->Save dialogs inside of AutoCAD please read this blog entry on the File->Open or File->Save Crash in AutoCAD

Install QuickCAD on Windows 7, Windows 8 and Windows 10

Posted on November 7, 2019 by simonbooth

This post solves the installation problems installing QuickCAD on new versions of Windows, in particular this error which prevents installation…

How to install QuickCAD

Obtain your purchased copy of the Longbow Reviver App here (you will need V4.23 or newer)
Start the Reviver App and note the user interface
Insert your QuickCAD CD
1. From the “Old Installer Reviver” tab, use the ‘…’ button to pick your QuickCAD CD.
2. Now click the ‘Fix and Run Old Installer‘ button
  1. Follow the instructions for copying the CD
3. Once the CD is copied the Reviver App will run a process on the copy of the CD, then launch the setup.
  1. Be patient as the process can take up to 45 minutes.
  2. Once the setup appears, stop and read the next step
Once the setup application appears, enter your information as normal except when you get to the installation folder…
1. You **must** change the default path to c:\quickcad
2. do not run QuickCAD at the end of the setup because an extra step is needed to fix the program files.

You *must* change the install path to c:\quickcad

Once the setup is complete, go back to the Reviver App and wait for Success! to be displayed.
Now back in the Reviver App, pick the “Old Program Reviver” tab
- Using the ‘…’ button pick the c:\quickcad path
- Now click ‘Fix Old Program‘
  - When it asks if you want to re-register, say Yes
Once the Reviver App displays Success! you can run your c:\quickcad\QuickCad.exe happily ever after.

by Simon Booth

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