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Event log errors

Last response: in Windows 7
November 14, 2011 9:19:39 PM

I recently checked my event log and theres a huge list of warning, error, and critical events.
Most of them just say

Windows has started up:
Boot Duration : 40922ms
IsDegradation : false
Incident Time (UTC) : ‎2011‎-‎11‎-‎14T01:53:12.656000300Z


Windows has shutdown:
Shutdown Duration : 12764ms
IsDegradation : false
Incident Time (UTC) : ‎2011‎-‎11‎-‎14T03:51:07.977101900Z

I have no idea what is going on when my computer shuts down or starts up. Heres some more

The Desktop Window Manager is experiencing heavy resource contention.
Reason : CPU resources are over-utilized.
Diagnosis : A sharp degradation in Desktop Window Manager responsiveness was observed.

The Desktop Window Manager is experiencing heavy resource contention.
Scenario : The Desktop Window Manager responsiveness has degraded.

This one right here was critical

Background optimizations (prefetching) took longer to complete, resulting in a performance degradation in the system start up process:
Name : BackgroundPrefetchTime
Total Time : 40103ms
Degradation Time : 11711ms
Incident Time (UTC) : ‎2011‎-‎11‎-‎14T21:41:47.734000400Z

All that was just in one day and there was more. I have also been having a problem with playing games, my pc randomly restarts its self when playing mw3 or skyrim. I debunked RAM as being the problem but more of the power supply being crap. Help would be MUCH appreciated! Heres my rig

Amd Phenom II 955
MSI hd 6850
Corsair CX500 powersupply
Asus sabertooth 990FX motherboard
CD/DVD reader
4GB (2GBx2) DDR3 1333 PC-10600 G.Skill RAM
5 fans

More about : event log errors

a b $ Windows 7
November 14, 2011 9:49:55 PM

This info pertains to win7 self diagnostics you may find helpful.

I would suggest you to use the performance troubleshooter on your computer and check if it lists any issues -

You may also refer to the below links and use the steps provided to check for issues-

Also use the Windows Experience Index and check for the score it lists for your computers -
November 14, 2011 10:42:57 PM

Tried it all no success :[
Related resources
November 15, 2011 1:08:50 AM

Updated my bios, cleared the event log and did a fresh restart and no errors in the event log :] but yet to solve my problem of when playing games computer randomly restarts.
November 15, 2011 1:35:14 AM

Nvrmind still errors popping up everytime I shut down or start up my computer, someone please help, im buying a new powersupply soon to try to fix the restart problem.
May 9, 2012 3:54:57 AM

any chance you're running multiple monitors? i get these errors with a i7-3770k and two HD7770s. I'm running 3x1900x1200 and 1x1900x1080, all as extended desktop displays, and nothing i do clears these errors. My guess is the Desktop Windows Manger (dwm.exe) struggles with such a large destktop, and/or AMD drivers aren't built for it.