Internal Error 2602 Autocad |work| Jun 2026

Internal Error 2602 is an installer error code heavily tied to the Windows Installer (MSI) technology that Autodesk uses to deploy its software. When this error pops up, it usually displays a message similar to: “Internal Error 2602. [File Name] or [Database Table]”

A glitching or outdated Windows Installer engine.

Unlike standard drawing crashes (like a fatal error), Error 2602 points to a failure in the environment surrounding AutoCAD rather than a corrupt .dwg file. Common Triggers internal error 2602 autocad

If residual registry keys from an older AutoCAD version are blocking the installation table, Microsoft’s official utility can clear the bottleneck.

If the core delivery service is broken, it must be purged manually: Internal Error 2602 is an installer error code

Once downloaded, extract the files and run the Setup.exe file as an administrator. 2. Disable Antivirus and Windows Defender

(if available) to strip all AEC and proxy objects. Unlike standard drawing crashes (like a fatal error),

| Cause | Explanation | |-------|-------------| | | Most common — damaged database objects (dictionary, orphaned entities) | | Corrupt or missing font | Shape file ( .shx ) or TrueType font issues | | Third-party add-on | Custom ARX/LISP/VBA crashing AutoCAD’s internal structure | | Registry corruption | AutoCAD installation or profile keys damaged | | Permission problem | Cannot write to temp folder or drawing location | | Hardware acceleration | Graphics driver or DirectX conflicts | | Profile/Workspace corruption | Corrupt .aws or .arg file |

If the 2602 error persists, a "ghost" installation may be blocking the process. Use the Microsoft Program Install and Uninstall Troubleshooter to automatically repair registry keys that prevent successful installation. Preventative Tips

Note: Remember to re-enable your antivirus and restore UAC settings once the installation succeeds. Method 5: Run a Clean Autodesk Reinstallation

Does the error happen at the or at a specific percentage of the installation? What operating system version are you currently running?