Over 1.092.000 registered users (EN+CZ).
AutoCAD tips, Inventor tips, Revit tips.
Try the new precise Engineering calculator.
New AutoCAD 2026 commands and variables.
CAD tip # 4191:
Question
A
This error may be a result of other errors or of a missing or damaged DLL file (hardware/communication problem, virus, antivirus interception...). Or an important Registry item was deleted. Or you have not enough user rights to access the Registry.
To solve this problem: as a Power User or Administrator, perform a Repair installation of your CAD product - in Windows Control panels, go to Add/Remove Programs, select the application to repair, click on Change and select Reinstall/Repair.
ACADMapACLTADT


5.1.2005
49037×