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MsMpEng.exe high CPU usage


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#1 JMH2106

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Posted 14 February 2011 - 02:40 AM

MsMpEng.exe is taking up alot of my CPU usage, currently taking up 12%, but usually taking up 40% with nothing running, how can I fix it?

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#2 Allan

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Posted 14 February 2011 - 07:52 AM

START - RUN - services.msc (press enter)
Navigate to the Windows Defender Service and set it to DISABLED

Windows Defender is, in my opinion, a worthless resource hog. The above will completely disable it and solve your problem.

#3 JMH2106

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Posted 14 February 2011 - 09:54 PM

START - RUN - services.msc (press enter)
Navigate to the Windows Defender Service and set it to DISABLED

Windows Defender is, in my opinion, a worthless resource hog. The above will completely disable it and solve your problem.

Windows Defender isn't on that list...is there anything else that could cause it? I recently got rid of AVG and replaced it with Windows Security Essentials...that's when it happened, any other way to fix it?

#4 Allan

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Posted 15 February 2011 - 07:53 AM

I am fairly certain that file is Windows Defender. You are running XP, correct? If so, try this to uninstall Defender: Go to START - RUN and type: msiexec /uninstall windowsdefender.msi /quiet /log uninstall.log

(then press ENTER and reboot). See if the process is still in Task Manager

Edited by Allan, 15 February 2011 - 07:53 AM.





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