: Ensure you're running the keygen or installation with administrative privileges. Right-click on the executable and select "Run as administrator."
The security risks of running an unknown keygen are severe. Because these programs are distributed through unofficial channels, they are a primary vector for malware. The autocad-2008-keygen.exe file itself can be infected. Potential risks include: autocad 2008 keygen internal error 2 top
If you are absolutely determined to try making an old keygen work, here is what legacy forum posts suggest (none are guaranteed): : Ensure you're running the keygen or installation