How to stop high CPU/Disk usage from "Antimalware Service Executable" on Windows 10

ByAdeline Belluz 2019-05-24 100819

Microsoft Antimalware is antivirus software that protects your system against malware attacks. This tool uses the same virus definitions and scanning engine as other Microsoft antivirus products and constantly monitors activity on your computer.

stop Antimalware Service Executable Solutioin

Microsoft Antimalware installs a series of files on your system to protect your computer from threats. Sometimes, the tool has a negative impact on the performance of the users' system, leading them to uninstall it.

However, you quickly realize that this is not an easy task, as it always seems to remain a hidden file running in the background. The Antimalware Service Executable, MsMpEng.exe service runs even after removing Microsoft AV tools, which often results in high CPU usage.

I don't want anti-malware. So far, I have tried to disable Windows Defender, but the process is still ongoing. My last resort would be to remove MsMpEng.exe from C:Program FilesWindows Defender.

When I...try to leave the task manager, it means that the process does not work; the...access is denied. I really don't want it to work, and I feel like it's slowing down my computer. How can I turn it off?

How to stop Antimalware Service Executable under Windows 10

Antimalware Service Executable is connected to Windows Defender, and many Windows 10 users have reported problems with this process. Speaking of problems, these are common problems reported by users:

▪ Disable Windows 10 Antimalware Executable Service - There are several ways to disable the Antimalware Executable Service on your Windows 10 PC, and in this article we will show you three different ways to do this.

▪ Antimalware Service Executable high memory, memory consumption, memory leakage - Many users have reported memory problems due to this service. To solve this problem, it is recommended to disable Windows Defender and check if it solves the problem.

▪ Antimalware Service Executable high usage of Win 10 disk, high Windows 10 CPU - Several users reported high CPU and disk usage due to this error. However, you can solve the problem simply by installing a third-party antivirus program.

▪ Antimalware Service Executable Windows 8.1, Windows 7 - Problems with this process can affect both Windows 8.1 and Windows 7, but even if you are not using Windows 10, you should be able to solve the problem with one of our solutions.

▪ Antimalware Service Executable works all the time and slows down the computer - Many users report that this service works on their PC all the time. However, you should be able to solve this problem with one of our solutions.

▪ Antimalware Service Executable cannot complete the task - If you cannot complete this task on your PC, you must disable Windows Defender or remove it from your PC to solve the problem.


Solution 1 - Use the Group Policy Editor

Solution 1 - Use the Group Policy Editor

Depending on the user, you can stop Antimalware Service Executable simply by making changes to your group policy. It's relatively easy, and you can do it by following these steps:

1. Press the Windows + R button and type gpedit.msc. Now press Enter or click OK. This launches the Group Policy Editor. Note that the Group Policy Editor is not available for domestic versions of Windows 10, but there is a way to run the Group Policy Editor for domestic versions of Windows with a little trick.

2. In the left pane, navigate to Computer Configuration/Management Models/Windows Components/Windows Defender Antivirus/RTime Protection. In the right pane, double-click Disable Realtime Protection.

3. Select On and click Apply and OK to save the changes.


After that, Windows Defender and Antimalware Service Executable are disabled. It should also be mentioned that this solution disables antivirus protection on your PC, which makes your PC vulnerable. To protect your PC, you should only use this method as a temporary solution.


Solution 2 - Install a third-party antivirus program

Solution 2 - Install a third-party antivirus program

Antimalware Service Executable is a process closely associated with Windows Defender. However, Windows Defender does not run side by side with a third-party antivirus program. So, if you have problems with Antimalware Service Executable, you can install a third-party antivirus program.


There are many major antivirus programs on the market, but the best ones are Bitdefender, Panda Antivirus and BullGuard. After installing a third-party antivirus program, Windows Defender automatically shuts down and your problem should be fixed.

Solution 3 - Disable Windows Defender

If you have problems with Antimalware Service Executable, you can solve them by disabling Windows Defender. This is a fairly simple process and you can do it by following these steps:

1. Press Windows + I to open the Settings app application.

2. Navigate to the Update and Security section. From the left menu, select Windows Defender. In the right pane, click

3. Open the Windows Defender Security Center.

4. A new window will appear. Select Virus and Threat Protection.

5. Select Virus and Threat Protection Settings.

6. Disable Real-time protection.  If you wish, you can disable all the other options on this page, except for the following options and well.


After that, Windows Defender is disabled and you no longer have any problems with Antimalware Service Executable.

Solution 4 - Delete the Windows Defender directory

According to users, they managed to solve the problem with Antimalware Service Executable by simply deleting the Windows Defender directory. We must mention that Windows Defender is a central component of Windows, and removing it can cause other problems, so you delete this directory at your own risk.


Before deleting the directory, it is a good idea to make a backup of your files and a system recovery point so that you can easily restore your PC in case of a problem. To remove Windows Defender, do the following:

1. Navigate to the C:Programs folder and locate the Windows Defender folder.

2. Accept the Windows Defender folder.

3. Now delete the Windows Defender folder.


After deleting this folder, Windows Defender is deleted from your PC and your problem should be fixed. Note that Windows Update reinstalls Windows Defender after each update, so you must repeat this process after each update.


Removing the basic Windows components is a risky solution for advanced users, and we are not responsible for any new problems that may arise after removing the Windows Defender directory.

Solution 5 - Stopping the Windows Defender service

If you have problems with Antimalware Service Executable, you can solve the problem by simply disabling the Windows Defender service. It's very simple and you can do it by following these steps:

1. Press Windows + R to open the Run dialog box (15).  Now enter services.msc and press Enter or click OK.

2. The Services window is now displayed.  Double-click on the Windows Defender Antivirus Service to open its properties.

3. Set the start type (16) to Automatic and click the Stop button to stop the service.  Click Apply and OK to save the changes.

After disabling this service, the problem should be completely resolved.

Solution 6 - Disable scheduled tasks

For Windows Defender to work properly, some tasks had to be scheduled, which can cause problems with Antimalware Service Executable. However, you can easily solve the problem by disabling scheduled tasks. To do this, follow these steps:

1. Press the Windows + S button and enter Task Scheduler.  Now select Task Scheduler from the menu.

2. When the task scheduler opens, navigate to Task Scheduler Library > Microsoft > Windows > Windows > Windows > Windows > Windows Defender in the left pane. 4 tasks must be available in the right pane.  Select and deselect the four tasks. Some users suggest deleting them, so you should try this too.


Once you have disabled these tasks, the Antimalware Service Executable problem should be completely solved.


Even if you disable Windows Defender, do not leave your system unprotected. You can use this article to decide which antivirus software to install.


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