‘Antimalware Service Executable’ High CPU Issue: How to Fix

Windows Defender is an integral a part of Windows 10 and 11. It means that you can keep using your Windows PC as you see match with out worrying concerning the websites you might be visiting or the information you might be downloading. Whenever a menace pops up, Windows Defender rushes to your rescue. However, that doesn’t imply Windows Defender doesn’t carry its fair proportion of issues, particularly in case your laptop doesn’t have the perfect of configurations. 

Today, we are going to speak about one widespread problem of Windows Defender — excessive CPU utilization in Antimalware Service Executable — and inform you how to repair it for good. 

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What is Antimalware Service Executable in your Windows PC?

Antimalware Service Executable is the formal title of the MsMpEng (MsMpEng.exe) course of. It is utilized by the Windows Defender program, which is supposed to maintain malicious purposes at bay. However, the method has a status for being a bit too power-hungry and would possibly find yourself slowing down your complete system in case you are not cautious. 

Why is it taking a lot CPU?

The Antimalware Service Executable is invoked when a scan is operating within the background or when it’s trying to find malware when you are working. This forces the CPU to overwork and leads to noticeable crashes and stuttering. Additionally, if Windows Defender runs a routine scan — whereas booting up your laptop or in any other case — it’s going to eat up a good portion of your CPU energy. 

If you’ve gotten a quad-core CPU, your system is more inclined to the excessive CPU problem. Since Microsoft has by no means clarified, we have no idea what causes it. 

Can you delete or kill Antimalware Service Executable?

Since it’s a System course of, Windows doesn’t will let you kill it. Killing it’s going to additionally cease the real-time safety of Windows Defender, which can also be undesirable whenever you do not need a backup Antivirus. 

How to repair Antimalware Service Executable High CPU utilization problem

Below are probably the most dependable options to fixing the Antimalware Service Executable excessive CPU utilization problem on Windows PC. 

Fix #1: Configure Windows Defender appropriately

Hit Windows + R to carry up Run. Now, sort ‘Control Panel’ and hit Enter.

Next, go to ‘Administrative Tools.’

Now, click on on ‘Task Scheduler.’

On the left-hand facet panel, navigate to Library > Microsoft > Windows > Windows defender. On your proper, you will note the title of the processes. Open ‘Windows Defender Scheduled Scan.’

Then, go to the ‘General’ tab and uncheck ‘Run with highest privileges’ choice.

This will be sure Windows Defender doesn’t hog your CPU energy for a single scan. Next, go to the ‘Conditions’ tab and uncheck the choice underneath ‘Power.’

Then, go to the ‘Trigger’ tab and click on on the ‘New’ button.

Now, set the scan settings to ‘Weekly’ and decide an acceptable day for the scan. Press ‘Ok’ to save lots of that change.

Finally, click on on ‘Ok’ once more to save lots of all of the modifications made thus far. 

Fix #2: Remove broken updates from Windows Defender

Like each different Windows element, Windows Defender will be affected by a rogue update. So, for those who suspect foul play, don’t hesitate to wash up Windows Defender’s updates. Click on the search bar on the backside left of your display screen and search for “cmd.” When Command Prompt pops up, click on on ‘Run as administrator.’

Now, run the next command.

"%PROGRAMFILES%Windows DefenderMPCMDRUN.exe" -RemoveDefinitions -All

Next, run: 

"%PROGRAMFILES%Windows DefenderMPCMDRUN.exe" -SignatureUpdate 

Wait for the rendering to finish and see if it fixes the difficulty. 

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Fix #3: Disable Windows Defender

You can even flip off Windows Defender to do away with the excessive CPU utilization problem for good. We have lined it extensively, in an article. Click on this hyperlink to study the quickest strategies of disabling Windows Defender. 

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Fix #4: Scan for malware

Malware usually latches on to System processes to cease being killed. If your system has been affected by one thing of this kind, you’ll have to get a third-party Malware cleaner to carry out an intensive sweep. Click on this hyperlink to take a look at Avast’s malware cleaner. 

Fix #5: Turn off Process Mitigation

By turning off Process Mitigation, it is possible for you to to cease Windows Defender from looping. That means, CPU utilization won’t soar up even when Defender fails to delete a file and thinks about making an attempt once more. Here’s how to show off Process Mitigation:

First, click on on the search button and lookup Command Prompt. Make certain to run it in administrator mode.

Now, paste the next command and press enter:

powershell “ForEach($v in (Get-Command -Name ”Set-ProcessMitigation”).Parameters[”Disable”].Attributes.ValidValues){Set-ProcessMitigation -System -Disable $v.ToString().Replace(” ”, ””).Replace(”`n”, ””) -ErrorAction SilentlyContinue}”

It will take a bit to course of. After you might be completed, Restart your Windows PC and see if it has helped. 

Fix #6: Perform a system restore

If nothing works, it’s best to attempt to restore your laptop to an earlier date, to a time the place your CPU utilization problem was effectively inside limits. If you aren’t aware of System Restore, we’ve got simply the appropriate article for you. Click on this hyperlink to study all about System Restore. The linked article additionally teaches you ways to Reset your Windows PC fully.