Troubleshooting AutoCAD and AutoCAD LT startup crashes on Windows 11, including acismobj20.dbx and related acismobj19.dbx errors. Choose the guide below that matches your 2014, 2015 or 2016 version, or start with the overview of startup and file-opening crashes.
Affecting all versions of AutoCAD and AutoCAD LT 2014, 2015 and 2016 Random shutdown on startup or opening of DWG…
If you are running AutoCAD LT 2014 on Windows 11 and you receive this error... FATAL ERROR: (0x7ffb71c40005) C:\Program Files\Autodesk\AutoCAD…
If you are running AutoCAD LT 2016 on Windows 11 and you receive this error... FATAL ERROR: (0x7ffb71c40005) C:\Program Files\Autodesk\AutoCAD…
If you are running AutoCAD LT 2015 on Windows 11 and you receive this error... FATAL ERROR: (0x7ffb71c40005) C:\Program Files\Autodesk\AutoCAD…