What is MsMpEng.exe or Antimalware Service Executable in windows 11

So you may have a question on mind, What is Antimalware Service Executable?

Here is a complete guide to answer your question Lets start.

Contents

What is Antimalware Service Executable in windows 11?

Msmpeng.exeis short forMicrosoft Malware Protection Engineor Some refer to it as Antimalware Service Executable.

Basically, its the built-in Windows 11 antivirus.

So why does Antimalware Service Executable use a lot of CPU?

Its because the antimalware service executable scans its own folder C:\Program Files\Windows Defender.

Also Installing a third-party antivirus bypass this problem altogether for a few users.

Press the Windows key + S, typewindows security,and then snag the first result.

If you are looking tostop running msmpeng.exe on your computerthen we recommend look for a replacement.

And installing a third-party antivirus bypass this problem for a few users.

Installing a third-party antivirus, Microsoft Defender will automatically turn itself off, and your problem should be resolved.

Here we have collected some ofbest antivirus for windows 11.

In addition, Go to the Conditions tab and uncheck everything there.

Choose the frequency, date, and time, then click OK. Click OK again.

Try these 8 solutions 2025