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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

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 2012

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

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

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 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…

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

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

Using the Longbow Converter to install your AutoCAD

Posted on January 11, 2022 by simonbooth

The Longbow Converter App is a tool that allows old versions of AutoCAD to be installed on Windows 10 and Windows 11.

Please click here for the Converter Application Help page

Longbow Software Blog

by Simon Booth

Monthly Archives: January 2022

Installing 32bit AutoCAD 2012 on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2012

Installing AutoCAD 2012 Service Packs

Troubleshooting

Installing AutoCAD 2004 on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2004

Installing AutoCAD 2004 Sp1

Troubleshooting

Installing AutoCAD ADT 2000/2i on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD ADT 2000

Installing AutoCAD 2000 Express Tools

Installing AutoCAD 2000 Service Pack 1

Installing AutoCAD 2000 Service Pack 2

Installing AutoCAD 2000 3D Graphics System Update 1

Troubleshooting

Installing AutoCAD 2000 on Windows 11

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD 2000

Installing AutoCAD 2000 Express Tools

Installing AutoCAD 2000 ObjectDBX Classes Object Enabler

Installing AutoCAD 2000 AEC Object Enabler 2.11

Installing AutoCAD 2000 Architectural Object Enabler 3.02

Installing AutoCAD 2000 Service Pack 1

Installing AutoCAD 2000 Service Pack 2

Installing AutoCAD 2000 3D Graphics System Update 1

Troubleshooting

Installing AutoCAD R14 on Windows 11

“FATAL ERROR: HEAP ERROR”

MEM_BAD_POINTER

Ransomware Protection Windows 11 and AutoCAD

How to install AutoCAD R14

Troubleshooting

Using the Longbow Converter to install your AutoCAD