Over 1.109.000 registered users (EN+CZ).
AutoCAD tips, Inventor tips, Revit tips, Civil tips, Fusion tips.
Try the updated Units converter and the new precise Engineering calculator.
New AutoCAD 2026 commands and sys.variables and env.variables,.
CAD tip # 5692:
Question
A
AutoCAD 2007 may display an "incorrect/corrupted" error message trying to open a password-protected and encrypted drawing (and offers a RECOVER).
The drawing file is probably not corrupted - make sure you have installed the Service Pack 2 (or higher).
ACAD2007ACLT2007
8.8.2007
14120×
this tip shared by ARKANCE experts applies to: AutoCAD 2007 · AutoCAD LT 2007 ·
![CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz] CAD Forum - tips, tricks, discussion and utilities for AutoCAD, Inventor, Revit and other Autodesk products [www.cadforum.cz]](../common/arkance_186.png)

