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I would first look at a failed Video Card driver.....<br />
<br />
Are there any other errors relating to<br />
<br />
An attempt to shutdown COMPUTERNAME was denied by Appname.exe?
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I would first look at a failed Video Card driver.....

Are there any other errors relating to

An attempt to shutdown COMPUTERNAME was denied by Appname.exe?

<div>
Try UPHclean<br />
<a href="http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582" rel="ugc">http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582</a>
</div>


Try UPHclean
http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582 [http://www.microsoft.com/downloads/details.aspx?FamilyId=1B286E6D-8912-4E18-B570-42470E2F3582]

<div>
we had to clean up the reg files
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<div>
<div class="content wysiwyg-content">
Currently we have 4 users (that we know of) who can not shut down their PC's. They click start / shut down / shut down, log off or restart and nothing happens. Services do close (like anti-virus, email, network icon) but system is still up and running. Looking at the event viewer, you see a USER32 warning message that says:<br />
<br />
Event Type: Warning<br />
Event Source: USER32<br />
Event Category: None<br />
Event ID: 1073<br />
Date: &nbsp;3/16/2010<br />
Time: &nbsp;5:09:04 PM<br />
User: &nbsp;NT AUTHORITY\SYSTEM<br />
Computer: **pc name*<br />
Description:<br />
The attempt to power off *users name* failed<br />
<br />
Unable to connect the 4 systems to same dates. 1 PC has only 2 errors while another has more than 15. Any ideas?<br />

</div>
</div>


Currently we have 4 users (that we know of) who can not shut down their PC's. They click start / shut down / shut down, log off or restart and nothing happens. Services do close (like anti-virus, email, network icon) but system is still up and running. Looking at the event viewer, you see a USER32 warning message that says:

Event Type: Warning
Event Source: USER32
Event Category: None
Event ID: 1073
Date:  3/16/2010
Time:  5:09:04 PM
User:  NT AUTHORITY\SYSTEM
Computer: **pc name*
Description:
The attempt to power off *users name* failed

Unable to connect the 4 systems to same dates. 1 PC has only 2 errors while another has more than 15. Any ideas?


User32 error

Microsoft Windows XP is the sixth release of the NT series of operating systems, and was the first to be marketed in a variety of editions: XP Home and XP Professional, designed for business and power users. The advanced features in XP Professional are generally disabled in Home Edition, but are there and can be activated. There were two 64-bit editions, an embedded edition and a tablet edition.