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

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 

  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:\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!”
  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…


– 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

Install Adobe Acrobat 5 on Windows 10

This post solves all the problems related to installing and running Adobe Acrobat 5 on Windows 10

  • If you have other Adobe products that you are having issues with please contact us so we can help you

How to Adobe Acrobat 5

NOTE: To ensure success, follow the instructions precisely as documented including using the same folder names and paths.

  1. Obtain your purchased copy of the Longbow Reviver App here (you will need V4.28 or newer)
  2. Start the Reviver App and note the user interface
  3. Insert your Adobe Acrobat CD into the CDRom drive, then click back to the Reviver App…
    1. From the “Old Installer Reviver” tab, use the ‘…’ button to pick your Adobe Acrobat CD e.g. D:\
    2. NOTE: if your CD has an “Acrobat” subfolder, pick that folder instead e.g. D:\acrobat.
    3. Now click the ‘Fix and Run Old Installer‘ button
      1. Follow the instructions for copying the CD
    4. 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
  4. 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:\adobe\acrobat5.5 (see image below)
    2. do not reboot the PC if prompted to do so
You must change the Destination Folder to c:\adobe\acrobat5.5
  1. Now complete the setup process as normal
    1. do not reboot if prompted to do so
    2. remember to fully close setup once completed
  2. Now back in the Reviver App…
    1. pick the “Old Program Reviver” tab
    2. Using the ‘…’ button pick the c:\adobe\acrobat5.5 folder
    3. Now click ‘Fix Old Program
      1. When it asks if you want to re-register, say Yes
  3. Once the Reviver App displays “Success!” you will now be able to run your Adobe Acrobat.
    1. If you see the message below, ignore like this…
ignore the Program Compatibility Assistant dialog


  • no notes yet

Copyright 2021 (c) Longbow Software

Block AutoCAD internet access

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…

  1. Obtain your purchased copy of the Longbow Converter here
  2. Start the Converter App
  3. 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

Copyright 2021 (c) Longbow Software