What Does ‘Antimalware Service Executable’ in Windows Do?

The ‘Antimalware Service Executable’ process, with the filename MsMpEng.exe, worries many Windows operating system users over CPU usage. So what is ‘Antimalware Service Executable’, how to stop it? Let’s take a closer look at such details.

When users of computers with a Windows operating system notice something wrong with their computers, when they open the Task Manager page to see which process is tiring the computer. ‘Antimalware Service Executable’ They will find that a process named is using an annoying amount of CPU. Well, MsMpEng.exe has file name, ‘Antimalware Service Executable’ nedir?

First of all, we should state that ‘Antimalware Service Executable’ It is definitely not an operation caused by a virus or malware. It is even a process carried out by Windows Defender, which Microsoft itself puts on your computer. However, it can still be annoying to use so much CPU. What is ‘Antimalware Service Executable’, how to stop Let’s take a closer look at the answers to such problems.

Antimalware Service Executable

MsMpEng.exe ‘Antimalware Service Executable’ nedir?

Antivirus program developed by Microsoft that comes preinstalled on computers with all Windows operating systems. Performed by Windows Defender the real-time scanning process is the ‘Antimalware Service Executable’ process. It can be found on all computers with Windows 10 version.

MsMpEng.exe is the name of the file that derives this action. ‘Antimalware Service Executable’ by Windows Defender that your computer was scanned in real time and shows that it is protected from all types of viruses and malware. However, if you have other third-party antivirus software installed on your computer, Windows Defender will set itself back and will not execute an action like ‘Antimalware Service Executable’.

Why is ‘Antimalware Service Executable’ using so much CPU?

Antimalware Service Executable

CPU is your computer’s processor memory. Any operation performed on the computer uses a certain amount of CPU, and if some operations uses more CPU than necessary this can negatively affect your computer use. The only reason why the ‘Antimalware Service Executable’ process, which runs quietly for your security, attracts so much attention is the amount of CPU it uses.

In fact, a process run by an antivirus program, especially a real-time scanning process, this Uses a lot of CPU is normal. This process does not scan when you are actively using the computer, but in the gaps in between. However, even this can be a nuisance if you have limited processor memory.

It is possible to reduce the CPU value used by the ‘Antimalware Service Executable’ process, even by installing a third-party antivirus software Can completely throw Windows Defender program into the background and you can stop their process. But remember, a third-party antivirus program can also run CPU-intensive processes.

How to reduce the ‘Antimalware Service Executable’ CPU usage?

Antimalware Service Executable

To be clear, the ‘Antimalware Service Executable’ process uses There is no way to reduce the CPU value. Because ‘Antimalware Service Executable’ is a process executed by Windows Defender that protects your computer in real time, and the amount of processor memory required for the process is certain.

Regardless, the amount of CPU used by the ‘Antimalware Service Executable’ process is now on your computer. will create problems that bother you If it has come to a point, your actions should be based on disabling Windows Defender or delaying scanning processes. There are some basic methods you can apply in this regard.

‘Antimalware Service Executable’ CPU usage reduction methods:

  • Method # 1: Perform a detailed antivirus scan.
  • Method # 2: Edit Windows Defender scheduling options.
  • Method # 3: The ‘Antimalware Service Executable’ process itself MsMpEng.exe Prevent it from scanning the file.
  • Method # 4: Disable the Windows Defender program.

Method # 1: Perform a detailed antivirus scan:


‘Antimalware Service Executable’ isn’t already a security scanning process run by Windows Defender, Don’t ask why we’re scanning again. Perhaps the reason why the ‘Antimalware Service Executable’ process is using so much CPU is a virus or malware that has infected your computer. For this reason, scan your computer thoroughly with Windows Defender or a third-party antivirus software and eliminate potential problems without causing further damage.

Method # 2: edit the Windows Defender timing options:

  • Step # 1: Task Scheduler Open the page.
  • Step # 2: Task Scheduler Library expand the folder.
  • Step # 3: Respectively Microsoft and Windows expanding folders Windows Defender Access the folder.
  • Step # 4: Windows Defender Scheduled Scan expand the option.
  • Step # 5: Conditions Remove all confirmations on the tab.
  • Step # 6: If you wish, you can schedule a new scan schedule.
  • Step # 7: Save the changes.
  • Step # 8: The process is done.

windows task scheduler

If your computer with Windows operating system does not have any other third-party antivirus software, Windows Defender will run the scanning process itself and the ‘Antimalware Service Executable’ CPU usage will continue. Following the steps above Windows Defender program to run a full scan and thus you can avoid high CPU usage.

Method # 3: Prevent the ‘Antimalware Service Executable’ process from scanning its MsMpEng.exe file:

  • Step # 1: Task Manager Open the page.
  • Step # 2: Find the ‘Antimalware Service Executable’ process and open it in file location.
  • Step # 3: Copy the file location address.
  • Step # 4: Windows Security Open the page.
  • Step # 5: Virus and Threat Protection Settings open.
  • Step # 6: Excluded Paste the address you copied into the tab.
  • Step # 7: Save the changes.
  • Step # 8: The process is done.

windows security

This method is based on the CPU usage of the ‘Antimalware Service Executable’ process. Even if it doesn’t make a big impact it will restrict the amount of use. The purpose of this method is to prevent the ‘Antimalware Service Executable’ scanning process itself. MsMpEng.exe It is to continue the process without scanning the file. The security scan file is already safe, right?

Method # 4: Disable the Windows Defender program:

  • Step # 1: Windows key + R with key combination Run open the screen.
  • Step # 2: regedit by typing and searching Registry Editor open.
  • Step # 3: HKEY_LOCAL_MACHINESOFTWAREPoliciesMicrosoftWindows Defender scroll to the position.
  • Step # 4: DisableAntiSpyware Open the registry named and set its value to 1.
  • Step # 5: If Eper cannot find this registry, open a new DWORD (32 bit) record and set its value to 1.
  • Step # 6: Save the changes.
  • Step # 7: Restart your computer.
  • Step # 8: The process is done.

windows registry editor

Because the ‘Antimalware Service Executable’ process is executed by Windows Defender the most effective method this is to disable the program. But remember, the moment Windows Defender is disabled, your computer will be vulnerable to all kinds of threats. So remember to secure your computer with a third-party antivirus software you trust before applying this method.

Which is a scanning process carried out by Windows Defender, MsMpEng.exe with file name What is ‘Antimalware Service Executable’, how to stop it, We answered curious questions such as how to limit CPU usage and explained in detail the alternative solution methods you can apply for these processes.