Often accompanied by the phrase "Assertion Failed at line XXXX," this error has haunted AutoCAD users from versions 2014 through 2023. It halts your workflow, risks unsaved data, and leaves even experienced CAD technicians scratching their heads.
Since the error is related to the geometry generator, offloading graphics to the GPU can sometimes cause the assertion. i--- Autocad Debug Error Acngen.exe
to ensure the installer has permission to write to system folders. Check Windows Updates: Often accompanied by the phrase "Assertion Failed at
A frequent cause of "Debug" errors in AutoCAD is a registry entry that incorrectly flags the executable to be run through a debugger, effectively blocking it. to ensure the installer has permission to write
If the registry is clean, the Autodesk On-Demand Install Service (ODIS) component may be corrupted. C:\Program Files\Autodesk\AdODIS\V1 Right-click RemoveODIS.exe and select Run as Administrator Download the latest version of Autodesk Access (ODIS)
The "i--- AutoCAD Debug Error Acngen.exe" often signals a conflict within the or restricted permissions that prevent core executable files from launching correctly . Why This Error Happens