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CAD tip # 6861:

Question CAD
% platform category

AutoCAD: unwind skipped on unknown exception

When AutoCAD starts or loads a new drawing, the following cryptic error/warning message is displayed:

; error: Unknown exception occurred
; warning: unwind skipped on unknown exception
*Cancel*

This problem is caused by a corrupt or locked CUI (or CUIX) file. It may be the main ACAD.CUI file or one of the partial menu files (Express Tools, Custom.cui, etc.). Replace the corrupted menu file - either manually from a backup (or original media) or by right-clicking on the CUI name in the CUI dialog.

ACAD2010ACAD2009LT2010L2009

* CAD

19.8.2009 5366x

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applies to: AutoCAD 2010 · AutoCAD 2009 · AutoCAD LT 2010 · L2009 ·

See also:
Tip 8882:	The Ribbon does not have any tabs or panels currently loaded.
Tip 8482:	How to convert CUI file to MNU or CUIX to CUI?
Tip 8439:	How to increase width of the layer control in AutoCAD ribbon?
Tip 8214:	Loading Express Tools - missing ET in AutoCAD.
Tip 7953:	Toggle model/paperspace with a keyboard shortcut.

Selected tip: Automatic level indicator for AutoCAD.

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