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CAD tip CAD tip # 6066:

Question CAD 
 %  platform  category 
Q - question

AutoCAD freezes or has very slow startup.

A - answer During the application launch, AutoCAD practically freezes and doesn't paint the toolbars.

On a off-line computer (not connected to the Internet), this may be caused by the security communication.

Start Internet Explorer and go to Tools > Internet Options > Advanced tab > Settings > Security. In this section, clear the Publisher's Certificate Revocation check box. Exit by OK.

Now restart AutoCAD.

100% *  CAD 
4.4.2008    29725x  
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applies to: AutoCAD 2009 · AutoCAD 2008 · AutoCAD 2005 ·

See also:
Tip 10414:FATAL ERROR when starting AutoCAD 2016 - Access Violation Reading 0x0018.
Tip 10397:How to disable switching drawings when hovering on the DWG tab thumbnail?
Tip 9895:Missing or distorted parts of the ribbon or QAT panel.
Tip 9280:Import STEP - Failed to calculate silhouettes of a face.
Tip 9156:I have enabled saving to cloud but my newly saved DWG is not in the cloud.

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Add .CIT raster format support to AutoCAD and Map and Civil 3D
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