In 90% of cases, this error is caused by a corrupted user profile (corrupted .arg file or registry entries). Resetting the profile to default state is the most effective solution.
If the error persists, your Windows Installer service might be unregistered: Open the as an administrator. Type msiexec /unreg and press Enter . Type msiexec /regserver and press Enter . Restart your computer and try AutoCAD again. If you'd like, let me know: internal error 2602 autocad
: Error 2602 is frequently linked to outdated or corrupted .NET Framework versions required by AutoCAD. Repair Installation : Go to Windows Control Panel > Uninstall a Program . Select AutoCAD and click Uninstall/Change . In the wizard, select Repair or Reinstall . In 90% of cases, this error is caused