How to Fix Antimalware Service Executable Windows 10

It’s pretty common that many computer owners want to learn about how to fix antimalware service executable because such an issue is truly annoying. You probably notice that you are slowing down significantly. You are no longer at maximum speed. The operation doesn’t feel effective or efficient anymore. No need to worry. There are several possible solutions that you can try.


Understanding the Issue

In case you don’t know it, Windows 10 comes with Windows Defender, which is a built-in antivirus. The Antimalware Service Executable is the background process for Windows Defender. It is basically a part of the (Windows) operating system and it is generally known as MsMpEng.exe.

The antimalware service executable always takes up a lot of space because of its real-time feature. The feature is running non-stop scanning connections, files, and other apps within real time manner. When you have to download new files or software, the antimalware will constantly scan everything to make sure that there is no malicious activity. Because of its fast response and action, it requires high memory and also high CPU use.

The antimalware service executable not only checks files, but it will also perform background scan, install antivirus updates, and so much more. The actions depend on the CPU, resulting in computer resources drainage and also taking up RAM, memory, disk space, and others.

That’s why there are several alternative ways on how to fix antimalware service executable high memory Windows 10. Start from the first one. If it doesn’t work, try the second. If the second doesn’t work, try the third – and keep on doing it. There must be the one method that is just right for your condition and situation. You just have to figure out which one.


Change the Scheduling Options of Windows Defender

antimalware service executable high memory

antimalware service executable high memory


As you can see from the previous explanation, Antimalware Service Executable is deeply related to Windows Defender. Since the main issue comes from the real-time implementation, then changing the schedule can be super effective. Here are the steps on how to fix antimalware service executable:

  • Press the Windows key and R buttons altogether to activate Run box.
  • Type in taskschd.msc and then hit Enter
  • You will see Task Scheduler Library. Double click on it. And then choose Microsoft, and then pick Windows
  • Find Windows Defender option and expand it. When you see the option Windows Defender Scheduled Scan, double click on it.
  • There should be an option ‘Run with Highest Privileges’ within the (property) window. Uncheck it
  • Then go to Conditions tab. Uncheck all of the options. Click OK afterwards


Most users claim that their problem is fixed with this method. However, if it still doesn’t work for you, then go with the second option


Add the Antimalware to Exclusion List of Windows Defender

Windows Defender

Windows Defender


Basically, you want to include the antimalware to the exclusion list of Windows Defender. And here are the steps on how to manage it:

  • Press both Windows logo key and I buttons together. It will open the Settings window. Then go with Update and Security
  • Choose Windows Defender. And then choose ‘Add an Exclusion’ in the Exclusion section
  • Click ‘Exclude a .com, .exe, or .scr process’
  • Type in MsMpEng.exe. And then press OK


This alternative method should fix your issue with the antimalware.  But in the event that it still doesn’t work for you, move on to the third one.


Disable Your Windows Defender

It’s quite common that Windows Defender may be damaged or corrupted. Continuous and non-stop file scanning may lead to system overwork, and it may cause your Defender to be corrupted. So, how to fix antimalware service executable if your Defender is being damaged? The only possible way is to disable the Defender.


Here are the steps to manage it:

  • Press Windows Key and R buttons together so you can open the Run Dialog box
  • After the box is open, type in regedit and then press OK. This action will open the Registry Editor
  • You will see the navigation pane (located on the left). When you see the folders, double click them so you can navigate to HKEY_LOCAL_MACHINE\SOFTWARE|Policies\Microsoft\Windows Defender
  • You should find a registry entry with DisableAntiApyware name. Double click on it. And then there will be a box open and there is a slot for Value Data. Set it to 1.


What should you do if you can’t find the registry with DisableAntiSpyware name? You should right click the main Registry Editor pane, and then choose New. And then pick DWORD (32 bit) Value. This new registry name should be named DisableAntiSpyware. Don’t forget to click it. Set the value data to only 1.


Update the Device Drivers

antimalware service executable high disk

antimalware service executable high disk


In the event that your Windows is somewhat still sluggish and slow – even after all of those attempts above – then you should try updating all of the device drivers. The idea is that newest and latest drivers will make your computer run quickly and stable.

Doing the manual update is possible. You just have to go to the manufacturer’s official site. Find the latest and most recent (correct) driver for the right device. Your new drivers should be compatible with the Windows system variants and versions.


A Warning

It’s important that you always back up everything – your system, your files, etc – before doing the suggested solutions. You never know what will happen next. In case there is unfortunate event to your system (it won’t boot or there is blue-screen-of-death), you won’t have to worry about anything. If you have the back up, you should be able to restore your system.


Final Words

Windows Defender is basically the security system protecting your computer against any threat. It is created with advanced technology that is meant to make the process go smoothly. But such a technology requires a lot of power and resources. And if your system can’t handle it, it will take toll on the performance of the machine.

These methods are meant to help you deal with such an issue. In case you have tried all of these advisable ways and yet your computer is still in trouble, then you should ask a pro. Maybe you should consult a professional and ask for a help concerning how to fix antimalware service executable.


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