If none of the above solutions work, you may be dealing with a unique file corruption pattern. Collect these before contacting support:
Press Ctrl + A to select all files and folders within the directory.
Resolving the issue requires understanding why it happens. The most common triggers for Internal Error 2602 include:
How to Fix Internal Error 2602 in AutoCAD: A Complete Troubleshooting Guide
Open your Antivirus dashboard and for 30 minutes. internal error 2602 autocad
Leftover registry entries from previous, incomplete Autodesk installations are causing conflicts.
Change the download method from "Install" to (this downloads the complete package using the Browser Download method).
is the industry standard for computer-aided design (CAD), but even its most robust versions (including AutoCAD 2025, 2024, and LT) are prone to cryptic errors. One of the most frustrating and least documented issues is the Internal Error 2602 .
5. Reinstall Microsoft Visual C++ Runtimes and .NET Framework If none of the above solutions work, you
AutoCAD 2019 1.2 Update Error Message - Forums, Autodesk
If it isn't listed, select and follow the prompts to clean up general installer errors. 7. Perform a Clean Uninstall of Previous Autodesk Software
(if available) to strip all AEC and proxy objects.
To resolve Internal Error 2602 in AutoCAD, follow these step-by-step troubleshooting guides: The most common triggers for Internal Error 2602
Internal Error 2602 is an MSI (Windows Installer) database error. The official Microsoft error definition states: The File table is missing from the training database.
To help isolate the exact trigger for your setup, let me know:
Encountering a crash in the middle of a complex design workflow can be highly disruptive. Among the various stability issues that CAD managers and designers face, in Autodesk AutoCAD is particularly frustrating. It typically appears unexpectedly, sometimes accompanied by a fatal error dialogue box, and forces the application to close.
If the Windows Installer database engine is malfunctioning, unregistering and re-registering it can reset its state.