Do just open the file normally. Use AutoCAD’s recovery tools:
Failure to install service packs. Corrupted AutoCAD Installation: Damaged program files. autocad fatal error acismobj20dbx best
The most common cause of a crash in the Shape Manager during drawing regeneration is a video driver conflict. When AutoCAD attempts to render 3D solids, the ASM module interacts with the GPU via the installed driver. If the driver returns an unexpected value or cannot handle the specific geometry instruction set, an access violation is triggered within the ARX module. Do just open the file normally
The acismobj20dbx fatal error is not a death sentence for your project. It is a specific failure in AutoCAD’s 3D solid modeling kernel. By resetting your profile, installing the hotfix, purging the drawing, disabling preview, and fixing your GPU, you have all the solutions at your fingertips. The most common cause of a crash in
FATAL ERROR: Unhandled Access Violation reading 0x00000000 acismobj20dbx
Type PURGE , press , and select Purge All to delete unused registered applications and broken geometry. 5. Update Graphics Drivers and DirectX