Instantly Fix Msmpeng.exe Errors
What is Msmpeng.exe?
Msmpeng.exe is a Microsoft Antimalware service that consumes high CPU. This can be resolved by fixing the conflicting issue.

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How to remove msmpeng.exe?

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what is msmpeng.exe?

Msmpeng.exe is a Microsoft Antimalware service. It belongs to Microsoft Windows Defender, Microsoft Security Essentials and Microsoft Forefront Security. All these are Microsoft security programs that protects your system from spyware/malware and other malicious program. Microsoft Forefront Security is for business and comes with a price tag. Microsoft Security Essentials and Microsoft Forefront Security also scans Viruses. Msmpeng.exe also gets added to your system with the installation of Microsoft Live OneCare. Which could mean if you use both Windows Defender and Microsoft Live OneCare, they share the same msmpeng.exe file and could be a potential conflict problem. Microsoft Windows Defender comes preinstalled with Microsoft Windows Vista and Windows 7. Windows Xp Users can download it as well. Its a Microsoft’s freeware.

Why is MsMpEng.exe using so much CPU?

You want to get rid of Msmpeng.exe file because of its high CPU consumption and as well its not quite good for an antimalware tool. Well why is it consuming too much CPU? The reason is its conflicting with other process. Microsoft Windows Defender or Windows Security Essentials conflicts with Windows Live Essentials. This can also be a problem when scanning files that has a strange read/write pattern. Let’s talk about how to resolve this problem.

  1. Turn off Windows Live Essentials, as its conflicting.
  2. Excluding files that consumes high cpu, which can be seen from the log file.
  3. Exclude the directories of each program so it won’t scan itself.
  4. Turn off scheduler.
  5. Turn off unwanted features.

While you can figure out how to keep using these Microsoft antimalware tools at a minimum CPU consumption. You can also totally disable it if you don’t want it anymore or looking forward to try another antimalware solution. Let’s talk about how to disable Msmpeng.exe, Microsoft Antiimalware service now.

How to Disable it?

If you don’t want Msmpeng.exe to run all the time. You can set this service to run when you want. You can do this using the Windows Services Utility. Follow the instructions below to set this service to run on demand, instead of running automatically all the time, on System startup.

  1. Go to Start and select Run
  2. Type services.msc in the box that appears and click OK
  3. Locate this service in the right-pane and double-click on it.
  4. Select the drop-down menu that appears before Start Type and set the option to Manual.
  5. Click OK and exit from the Services Window

You can also turn Microsoft Windows Defender off from within the program.

To turn off Windows Defender, open the program and click on Options. Now go to Administrator options and uncheck the Use Windows Defender box.  Click Save.

This will disable the program within the program itself, and it won’t run any longer unless to select “Use Windows Defender”.

Just  disabling alone will work, if other resolving solutions aren’t that effective. You don’t have to totally remove it off your system for it to not work anymore.

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