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MsMpEng.exe - High CPU Utilization


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#1 Seatbelt99

Seatbelt99

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Posted 30 August 2013 - 04:36 PM

My computer has been sporadically running REALLY slow.  Like it will take 10-15 seconds just for text that I type to show up.  Loading a web page will hang for quite a while, then load fine.  It usually goes really slow for 1-2 minutes, then seem fine for a little while, then slow again.  When it is fine, it could last 5 minutes or an hour.  Nothing, that I can see anyway, is triggering it.

 

The cause of the issue seems to be MsMpEng.exe,(which is part of MS Security Essentials).  When I pull up my resource monitor, MsMpEng.exe is consistantly at 23-30% CUP utilization.  Nothing else is using anything significant.    This exe is also taking up a decent amount of memory (235,116 kb).  And a decent amount of disk activity (1,662,939 B/Sec).  

 

This is a steady amount for MsMpEng.  I'd understand if it were only when it running a scan or something, but that's not the case. 

 

My Computer Specs (if you need them): 

Windows 7 Ultimate (SP1) 64 bit

Processor: Intel Core i7 920 @ 2.67Ghz

Memory: 12 GIG

 

MS Security Essentials is my only anti-virus, ect so I'd really rather not just disable it.  



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#2 noknojon

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Posted 30 August 2013 - 06:38 PM

Hi -
Just a 5 minute fix cured my similar problem last week, I needed to Uninstall and Reinstall my M.S.E. program for an unknown reason

The following was added based on a reply from Support to address removal of MSE to resolve issues with a failed upgrade from 2.x to v4:

Use the FixIt Tool to uninstall Microsoft Security Essentials.
This tool is designed to fix issues like, MSE registry issues, removes remnants of Microsoft Security Essentials from your computer.
a. To do this run the FixIt tool from the following links.
b. Click the below link and select Run Now button.
M.S.E Removal Tool
c. After downloading and running for the first time
d. Select Run on small pop-up window and select Run on Internet Explorer-Security Warning Window.
e. Select Detect problems and let me select the files to apply.
f. Select Uninstalling.
g. After detecting problems Select Microsoft Security Client to uninstall and click Next.
h. Repeat the steps from b to f and, this time select Microsoft Antimalware from list to uninstall and click Next.
i. Restart your computer and reinstall Microsoft Security essentials.
Click the Download button to start the download, and click Go.

 

You could also post a Security Check log, if you have time

Download Security Check by Screen317
* Save it to your Desktop.
* Double-click SecurityCheck.exe
* Follow the onscreen instructions inside the black box.
* A Notepad document should open automatically called checkup.txt; please post the contents of that document.
Note: If any security program requests permission to access the Internet, allow it to do so.

 

 

Thank You -






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