Check and select Windows XP (Service Pack 2 or 3) . 3. Clear Temporary Licensing Files
Since the software was designed for Windows XP or Vista, right-click the file, go to Properties > Compatibility , and set it to run for Windows XP (Service Pack 2) Disable Antivirus: internal error 1 for autocad 2008 keygen new
This method isolates the old software and any potential keygen malware from your host OS. Check and select Windows XP (Service Pack 2 or 3)