Internal Error 2602 in AutoCAD is a common installation or update failure that typically occurs when the (MsiInstaller) is unable to write specific files or folders to the destination path . This error is frequently linked to permission issues, corrupted licensing services, or conflicts with security software. Common Causes of Internal Error 2602
If the error occurs during an update, the base installation might be corrupted. Go to . Select your AutoCAD version and click Uninstall/Change . internal error 2602 autocad
If the error occurs during a network deployment or update (e.g., Update 1.2 for AutoCAD 2019): Windows Installer Internal Error 2602 in AutoCAD is
If none of the above works and you see (even new ones), it’s likely a core product defect. Provide: Export to DXF and re-import 2602 consistently with
: Run the Microsoft Program Install and Uninstall Troubleshooter (Fix-It tool) to clear registry keys that might be blocking the installation.