scheduler prevents windows 7 from shutdown

Microsoft Windows 7 professional - upgra...
December 26, 2010 at 13:35:14
Specs: Windows 7 Pro, Inte i3 540 / 2 GB
Recently I noticed that Scheduler issues a continuous flow of queries to WmiPrvSE.exe, which as a result of this constantly uses up to 20% of CPU. After some time (20 minutes or longer) this behaviour stops. Independent of this flood of unexplainable queries the system can not be shut down any more. It hangs, so I have to stop it by keeping the power button pressed down for some time. Now, if I kill the Scheduler.exe by Process Explorer, WmiPrvSE.exe stops using CPU and the system can be shut down normally. Any idea, what might be the reason for this behaviour.

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#1
December 26, 2010 at 14:21:57
Look here:
http://www.wmiprvse.com/

Please note this quote specifically:
"Wmiprvse.exe and associated WMI components are stored in the following path:

C:\WINDOWS\System32\Wbem

If the above mentioned file exists in a directory apart from the System32 directory, it is definitely a virus, spyware, Trojan or Worm."

Try Malwarebytes to see if it is an infection that slipped past your antivirus program after shutting it down. If you have only the genuine article, look into task scheduler and see if something is scheduled there. Otherwise use msconfig to stop processes from running at start up as this might help.

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#2
January 9, 2011 at 07:36:18
I reinstalled Windows 7 and the problem does not occur any more. I suspect that the actual problem was caused by the disk defragmenting program, which I used. After system recovery I installed the defragmenter again and observed occasional hangs at shutdown. Then I uninstalled the defragmenter and the CPU is now at 1 - 2% when the system is idle and no hangs happen any more at shutdown.

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#3
January 9, 2011 at 08:54:51
I have no idea why you would use a 3rd party defragger anyways on windows 7.

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#4
January 9, 2011 at 23:00:23

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