Antivirus programs can sometimes block the MsiInstaller from registering specific DLLs. Temporarily disable your antivirus and Firewall.

: In some cases, the Windows TEMP folder lacks sufficient permissions. Navigate to C:\Windows\TEMP , right-click for Properties , and under the Security tab, add EVERYONE and grant Full Control .

C:\Program Files (x86)\Common Files\Autodesk Shared\AdskLicensing Right-click uninstall.exe and select Run as administrator Download and install the latest Autodesk Licensing Service Autodesk Support site Update .NET Framework

typically appears when:

: Security software can sometimes "lock" the installation database. Disable your firewall or antivirus for 10 minutes and try the action again. Repair the Installation : Open Control Panel > Programs and Features . Find AutoCAD in the list. Select Uninstall/Change and then click Repair or Reinstall .