Get ESET antivirus today! The Antimalware Service Executable, MsMpEng.exe runs even after users removed Microsoft’s AV tools, often leading to high CPU usage. This is why many want to disable it, and in this guide, we’re going to show you how to do it. If I try to end it from Task Manager, it says The operation could not be completed… Access is denied. I really do not want it running and I feel that it is slowing down my computer. How can I turn it off?

Why is Antimalware Service Executable always running?

Antimalware Service Executable is associated with Microsoft Defender, and many Windows 10 users reported issues with this process. It is designed to operate in the background so that it can scan files and applications at varying intervals. When a virus or other harmful attack is found, the executable will either delete it or put it in quarantine. Speaking of cases, these are some common problems that users reported:

Antimalware Service Executable causes high memory and memory leak – Many users reported memory issues due to this service. To fix the problem, it’s advised to disable Microsoft Defender and check if that solves the issue. Antimalware Service Executable high disk usage – Several users reported high CPU and disk usage due to this error. However, you can fix the issue simply by installing a third-party antivirus. Antimalware Service Executable issues on Windows 8.1 and 7 – This process can affect Windows 8.1 and 7. Still, even if you’re not using Windows 10, you should be able to fix the problem with one of our solutions. Antimalware Service Executable running all the time, slowing down computer – Many users reported that this service keeps running all the time on their PC. However, you should be able to fix that using one of our solutions. Antimalware Service Executable can’t end task – If you can’t complete this task on your PC, you’ll have to disable or delete Microsoft Defender to solve the problem. Disable antimalware service executable in Windows 11, 10, server 2019 – The methods below are applicable in all Windows iterations, so make sure to refer to them. Disable antimalware service executable causes high CPU – Follow the solutions below to permanently disable this process.

Should I disable antimalware service executable?

Remember that if you don’t install any additional antivirus software, Windows Defender is the only thing that will protect your computer from malicious software. So you should disable the service if it is causing you trouble but purchase or install additional antivirus protection. What happens if I disable antimalware? If you disable msmpeng.exe, your computer is more likely to become infected with digital viruses that, had it not been disabled, would have been dealt with in the background in a more discrete manner.

How do I permanently disable Antimalware Service Executable?

1. Get AdvancedRun software

Whenever the solution requires you to use Advanced Run, always do the following:

2. Install a third-party antivirus

Antimalware Service Executable is a process closely related to Microsoft Defender. However, Microsoft Defender won’t run side by side with a third-party antivirus, so if you’re having problems with Antimalware Service Executable, you might want to install a third-party antivirus. Many great antivirus tools are available on the market, but the best solution is to choose a good antivirus with the most negligible resource impact. The tool recommended below is probably the best low-resource Antivirus. Choosing this Antivirus will reduce CPU load and help your system achieve its highest performance. It utilizes cloud processing to protect PC, removing the need for heavy software updates and demanding scans. After you install a third-party antivirus, Microsoft Defender will automatically turn itself off, and your problem should be resolved.

3. Add exclusions to Windows Defender

4. Create a batch script

You can restore Windows Defender by creating a new script like this:

5. Use the GitHub script

To revert the changes, repeat the steps but use the Microsoft Defender Enable.bat script instead.

6. Use Command Prompt

If the previous commands didn’t work, use these commands instead:

To disable Windows Defender: REG ADD “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend” /v “DependOnService” /t REG_MULTI_SZ /d “RpcSs-DISABLED” /f To enable Windows Defender: REG ADD “HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend” /v “DependOnService” /t REG_MULTI_SZ /d “RpcSs” /f

We hope our solutions helped you learn how to stop the Antimalware Service Executable and fix this problem for good. Even if you turn off Antimalware Service Executable, don’t leave your system unprotected. You can use any antivirus software options from the best antivirus with an unlimited license list. For more suggestions or questions, don’t hesitate to leave them in the comments section below, and we’ll be sure to check them out.

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