MsMpEng.exe High CPU usage in Windows 10

If your Windows 10 computer is slowing down or freezing, open Task Manager and check if the problem is due to high CPU usage by MsMpEng.exe.

MsMpEng.exe High CPU usage in Windows 10

MsMpEng.exe is a legitimate Windows operating system file and is not a malware program or virus that tries to steal information or damage your computer.

In fact, MsMPEng.exe is an essential part of Microsoft’s built-in security software on Windows computers, popularly known as Windows Security or Windows Defender.

MsMpEng.exe is responsible for scanning files for malware as they are downloaded onto the computer and also runs regular scans to detect malicious software, spyware, viruses and other types of malicious programs.

In general, the high CPU usage by MsMpEng.exe should automatically drop to normal levels once Windows Security has finished its scanning activity.

If you frequently notice high CPU usage by MsMpEng.exe which affects the overall performance of your computer, the troubleshooting steps given below can solve the problem.

1. Disable automatic sample submission

Disabling the Automatic Pattern Submission option in Windows Security should help reduce the program’s CPU usage on your computer.

Go to settings > Updates & Security > Windows security > Protection against viruses and threats.

Virus and threat protection option in Windows Security

On the next screen, scroll down and click manage settings Link is under Virus & threat protection settings.

Manage virus and threat protection settings in Windows 10

On the next screen scroll down and disable Automatic sample submission.

Disable automatic pattern submission in Windows Security

If necessary, you can always submit files to Microsoft manually by clicking Manually send a sample Shortcut.

2. Disable real-time protection

You should be able to see an immediate improvement in how your computer works after disabling the Real-time Protection feature in Windows Security.

Go to settings > Updates & Security > Windows security > Protection against viruses and threats > scroll down and click manage settings Link is under Virus & threat protection settings.

Manage virus and threat protection settings in Windows 10

On the next screen, toggle OFF real-time protection.

Disable Windows Defender real-time protection

Restart your computer and you should find that it’s running better than before.

3. Prevent Windows Defender from scanning its own directory

Another way to reduce the high CPU and RAM usage by the MsMpEng.exe program is to prevent the program from scanning its own directory.

Go to settings > Updates & Security > Windows security > Protection against viruses and threats > scroll down and click manage settings Link is under Virus & threat protection settings.

Manage virus and threat protection settings in Windows 10

On the next screen, scroll down to the Exclusions section > click Add or remove exclusions Shortcut.

Add or remove exclusions from Windows Security

On the next screen Click Add Exclusion and select that folder Possibility.

Add folder to exclude option in Windows Security

On the next screen navigate to C: Programs > Windows Defender and click Select folder Button.

Add Windows Defender folder to exclusion

Restart your computer and you should see an improvement in its overall functioning.

4. Disable Windows Defender permanently in Windows 10

If your computer is still suffering from high CPU usage, you must think about disabling the Windows security program on your device.

The easiest way to disable the Windows security program is to install Norton Antivirus or another third-party antivirus software program on your computer.

You can also disable Windows security by opening the registry editor (Open To run command > type regedit and click OK).

Open the Windows registry with the

Navigate to HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender and double click Disable AntiSpyware entry in the right pane.

Disable Windows Defender permanently in Windows 10

In the pop-up window, change Edit DWORD reading out 0 to 1.

This will permanently disable Windows Defender on your computer. You can always re-enable Windows Defender on your computer by changing the value data from 1 to 0.

Note: If you cannot find the DWORD named “DisableAntiSpyware”, you need to create a new DWORD and name the DWORD as “DisableAntiSpyware” and set its value data to 1.

Related

Leave a Reply

Your email address will not be published.