task manager denies access

When I use alt/control/delete to access task manager, the task manager button is grayed out.  When I tried to run task manager from windows explorer, it will not run and reports "access denied."

This happened suddenly and may be related to my changing windows registry
"HKEY_LOCAL_MACHINE\Software\Microsoft\Windows
>NT\CurrentVersion\AeDebug" auto from "1" to "0".
I tried changing it back but that had no effect.

Thanks for any help you can provide.

Rick
rcoonceAsked:
Who is Participating?
 
CrazyOneCommented:
BTW this little Group Policy does grey out the Taks Manager button.
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sunray_2003Commented:
Rick,

Try double-clicking the outer frame to get the menu

Sunray
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sunray_2003Commented:
Rick,

Are you sure you are the administrator of the machine


Check this has not been done

http://www.winguides.com/registry/display.php/163/

http://techrepublic.com.com/5100-6270_11-1054840-2.html

Sunray
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laynuksCommented:
Rick,

If one of your tools greyed out or the icons looks wiered and it even you login as admin does the same thing it may be an indication that some of your system files got corrupted.
Backup your files and reinstall windows
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rcoonceAuthor Commented:
So far nothing has worked.  I'm not ready to reinstall windows yet.  I downloaded a Cyranoid-tech parent timer, hoping for a simple stop watch on screen.  It wasn't what I wanted, and it seemed to lock up the computer.  I rebooted and uninstalled the program.  Any chance that program could have changed a registry file somewhere to cause this?  Blocking out Task Manager would appear to be the kind of thing a parent timer might do to keep the kids from shutting it down.
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CrazyOneCommented:
Start > Run

User Configuration > Administrative Templates > System > Ctrl+Alt+Del options

Reset the Remove Taks Manager to Not Configured
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rcoonceAuthor Commented:
This question has not been answered, and I still haven't been able to resolve the issue.  Please close this question out.
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