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

Follow these instructions to solve issues around installing/running your old AutoCAD 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 AutoCAD 2005 

  1. Obtain your purchased copy of the Longbow Converter here
  2. 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…
  3. 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)
    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!”
  4. 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…
  1. Download AutoCAD 2005 Sp1
  2. Copy the service pack exe installer to folder path c:\Autodesk\sp
  3. 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“.
  4. Now you can run the service pack exe installer from Windows explorer as normal
  5. NOTE: If your AutoCAD now fails to start, you may now need to again re-run the Converter process from step (6) above

Troubleshooting

– If you are unable to activate your product, or the activation 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 2021 (c) Longbow Software

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

Installing AutoCAD 2005 LT on Windows 7, Windows 8, Windows 8.1 or Windows 10 32bit or 64bit can be very easily defined in these short steps…

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

  1. Obtain your copy of the Longbow Converter here (we recommend the latest version for LT 2005)
  2. Copy your AutoCAD 2005 LT CD to your hard drive, to a folder path c:\Autodesk\acadlt2005 
  3. Start the Longbow Converter tool
    1. select the 2nd tab named “Old AutoCAD Installer Reviver
    2. pick the c:\Autodesk\acadlt2005 folder
    3. click Run.
      1. Read and understand all the prompts before pressing OK.
      2. Once the setup starts, stop and read the next step…
  4. In your LT 2005 setup program…
    1. If you see a dialog titled “64-bit .NET Unavailable” – simply ignore it and click OK
    2. Now, 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:\acadlt2005 (not Program Files (x86)\AutoCAD LT 2005**
    3. If you see an error in install “.NET Runtime Optimization Service has stopped working” – simply ignore by clicking the “Close Program” button
  5. Once installed
    1. go back to the Converter tool
    2. select the 3rd tab named “Old AutoCAD Program Reviver”
    3. pick the newly installed c:\acadlt2005 folder
    4. click Fix.
  6. Now you can run your AutoCAD LT 2005, but it’s a good idea to install the latest service packs.
    1. NOTE: 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 2005 LT Sp1
  1. Download the AutoCAD 2005 LT Sp1 (locked) from our good friends at CADStudio (as Autodesk no longer post older sp’s)
  2. Copy the ACLT2005sp1SWL.exe to folder path c:\Autodesk\sp
  3. Start the Converter, select the 3rd tab, pick the c:\Autodesk\sp folder and click Fix.
  4. Now run the ACLT2005sp1SWL.exe from Windows explorer
  5. NOTE: If your AutoCAD fails to start, you may now need to again re-run the Converter process from step (6) above
Troubleshooting:

– If you are unable to activate your product, or the activation 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 2016 (c) Longbow Software