What it is
Run installer with logging to capture detailed error: internal error 2602 autocad
Keywords used strategically: Internal error 2602 autocad, fix AutoCAD internal error 2602, access violation reading 0x0000, AutoCAD crash hatch, recover corrupt DWG, WBLOCK error 2602, AutoCAD graphics driver. Autocad Error 2602 — Overview & Fixes What
Outdated .NET Framework: A missing or outdated version of the .NET Framework may prevent the setup from executing correctly. Troubleshooting & Solutions Link/Resource 1 Run as Administrator Rollback: If the error started after a driver
This error is not a crash per se—it’s AutoCAD’s way of saying: “I found something I can’t process, and I’m stopping before saving or corrupting further.”
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 occurs during the final stages of installation, the licensing component is likely the culprit. AutoCAD 2019 1.2 Update Error Message - Forums, Autodesk