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LogonUI.exe system error

Posted on 2015-01-29
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Last Modified: 2015-01-29
I am running a Windows 7 computer.  All of a sudden I've started getting the attached error message that hangs the computer on shut down and boot up.  I checked my MSCONFIG startup to see if anything new is trying to load, but nothing seems to have changed.  Can you please explain where this came from, if it represents a problem, and how to get rid of it?   I haven't noticed any changes to the function of the computer other than at boot up and shut down.

Thanks,

Phil
System Error Message
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Question by:philsimmons
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Deadman earned 2000 total points
ID: 40579140
Userdata.dll is a type of DLL file associated with AutoCAD for the Windows Operating System.

Check this link to solve this issue
http://www.solvusoft.com/en/files/missing-not-found-error/dll/windows/autodesk-inc/autocad/userdata-dll/
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