Does MSMPENG (MsMpEng.exe) service consuming most of your CPU usage? Does your system running on Windows operating system operating slow due to Antimalware service executable process? Don’t worry, in this article we will show you how to fix MsMpEng.exe antimalware service executable issues in Windows operating system through different tested methods.

What is MsMpEng.exe Antimalware Service Executable?

It is one of the most important process of Windows operating system used by Windows defender service. The service is keep scanning the files for possible security threats and connection in real time and this could be the major reason it consumes most of the CPU usage in your system.

Another reason behind this would be the complete window scan is running by Windows defender due to schedule scanning or daily scanning you might have set in your system. This is common practice and it require to keep your computer safe from spam-ware or other harmful files that may corrupt your system. MsMpEng antimalware service executable do this job by scanning your files for the possible threat and may give alerts when they find suspicious files in your system.

Here we need to allow them to check files but at the same time, it also affect your productivity by slowing down system. Then, what the best possible ways to get rid of this without compromising the security? The best and easy way is to get it complete first and it will automatically release the memory. Here you can also manage the schedule scan when your computer is idle. Sometime it happens that the schedule scan start when you start your PC everyday and it affects the productivity.

Here are few ways fix Antimalware Service Executable issue:

Method 1 – Schedule your Windows Defender Properly

As explained earlier, scheduling your Windows defender scan properly by following below steps will help:

  1. Go to control panel or directly follow this path Control Panel\System and Security\Administrative Tools
  2. Now click on Task Scheduler and see the setting as mentioned in below image

  3. Once it is done, now go to Trigger and see the details.
  4. Now click on edit trigger and change the schedule as per your requirement. Here in below example I have set the schedule to Weekly on Friday during Lunch break.
    Windows defender schedule
  5. Click OK and it done for the Windows defender service that will be executed on the specified time.
  6. Now do the same setting for all remaining three services mentioned below.
    Other services
  7. Done!

Method 2 – You can turn off Windows defender through below 2 methods

I personally do not recommend turning off Windows defender just because its service MsMpEng.exe antimalware service executable consumes CPU. As you are risking on high security threat if the service is disabled. Still if you can manage the security part by installing other antimalware security software, here are few ways to easily turn off Windows defender.

Turn off Windows defender through Local Group Policy Editor

  • Click on Win + R and write gpedit.msc
  • You will be redirect to Local Group Policy Editor
  • Now click on Administrative Templates > Windows Components > Windows Defender.
  • Once you are on Windows Defender, search of Turn off Windows defender setting as shown in below image
    Turn off windows defender

And you are done!

Using Registry Edit

You can also disable Windows defender scan through registry edit but make sure you take backup of your registry first to avoid any issues may arise due to faulty updates. Follow below steps:

  • Type Win + R key and type regedit
  • It will redirect you to registry where you need to follow this path: HKEY_LOCAL_MACHINE and click on Software.
  • Once you are in Software, click on policies => Microsoft => Windows Defender
  • Now click on Edit and Disable Windows Defender

Apart from this, there are various methods can be used to fix this MsMpEng.exe antimalware service executable issue. If you know any other easy ways, do write us here by comment and we would love to test them and will add into this article.