Autocad Fatal — Error Acismobj20.dbx [repack]

Run:

Add .old to the end (e.g., acismobj20.dbx.old ). This prevents deletion but disables it. autocad fatal error acismobj20.dbx

Few things are more frustrating for a designer, engineer, or architect than being deep in a complex drawing session only to have AutoCAD crash without warning. Among the most cryptic and persistent of these crashes is the (or similar variations involving acismobj20.dbx ). Run: Add