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CAD tip CAD tip # 6861:

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Q - question

AutoCAD: unwind skipped on unknown exception

A - answer 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
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.
100% *  CAD 
19.8.2009    8115x  
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See also:
Tip 10808:How to make transparent icons for my CUI ribbon in AutoCAD 2017.
Tip 10222:How to add keyboard pan (shift view) to AutoCAD?
Tip 9905:Double-click on a text gives: Unknown command DDEDIT.
Tip 9843:How to add Classic workspace (toolbars) to AutoCAD 2015?
Tip 8882:The Ribbon does not have any tabs or panels currently loaded.

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