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    Home»Windows 11»Fix – Antimalware Service Executable High Disk, Memory & CPU issue Windows 11
    Windows 11

    Fix – Antimalware Service Executable High Disk, Memory & CPU issue Windows 11

    By Viney DhimanDecember 8, 2022No Comments5 Mins Read
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    If you landed on this blog post, then it’s possible that you’re facing Antimalware Service Executable High Disk, Memory, and CPU issue on your Windows 11 PC, right? It’s a common issue reported by Windows users and can be fixed.

    Antimalware Service Executable High Disk

    Before reading about solutions to fix the Antimalware Service Executable High Memory Usage issue, let’s learn a little about what it is and the possible reasons why it eating up lots of memory on your device.

    Antimalware Service Executable is a Windows Service that runs in the background to protect your PC from malware. The service run in the background and usually doesn’t use high memory usage unless you are performing a system scan, or updating the virus definitions.

    Antimalware Service Executable service uses a Memory for a limited period especially when you’re performing a scan, and later back to normal, then it’s usual and there’s nothing to worry about. In case, the same service uses high memory even when it’s not in use, then there’s an issue.

    Contents show
    Fix – Antimalware Service Executable High Disk, Memory & CPU issue Windows 11
    System is Up-to-date
    Disable Real-Time Protection
    Disable Scheduled Tasks For Windows Defender
    Exclude Windows Defender Folder From Antivirus Scan
    Install Third-Party Antivirus
    Use Registry Editor To Disable Windows Defender AntiSpyware

    Fix – Antimalware Service Executable High Disk, Memory & CPU issue Windows 11

    The good thing is there are possible solutions that we’re going to cover in this blog post that you can use to fix Antimalware Service Executable using High Memory, CPU, and RAM. Let’s start with the first one on the list:

    System is Up-to-date

    If you’re running an outdated build of Windows 11 on your PC, then it’s highly possible to face such an issue. So before doing anything discussed in this blog post, update your PC to the latest build/version. Here’s how you can do that:

    Launch the Settings app by pressing WIN + I key combination.

    Switch to the Windows Update tab on the left, and then on the right side, check if the latest update is available or not. You can click on the “Check for updates” button. Once the latest update is available, install it and check if this fixes the issue.

    Disable Real-Time Protection

    If you have been facing Antimalware Service Executable high memory usage then try disabling the real-time protection. Real-time protection automatically scans for malware in the background and stops them from running on your PC. 

    Press the Windows key on your keyboard, and then in the Start Menu, search for Windows Security and open it. 

    Windows Security

    In the Windows Security window, click on Virus & threat protection option. 

    Virus and threat protection

    Under the Virus & threat protection settings section, click on Manage Settings. 

    Manage Settings

    Here, turn off the toggle for Real-Time Protection. 

    Turn Off Real-Time Protection

    Note- Real-Time protection will get turned on automatically when you restart your PC or sign into it again. 

    Disable Scheduled Tasks For Windows Defender

    There are certain scheduled tasks for the Windows Defender that will automatically run in the background. If you have been facing high memory usage due to the antimalware service executable, then you can disable these scheduled tasks. To do so, follow the steps given below-

    Click on the Start Icon on the taskbar, search for Task Scheduler and click on the very first option that appears. 

    Task Scheduler

    In the Task Scheduler, navigate to the following address on the left sidebar: Task Scheduler Library > Microsoft > Windows > Windows Defender

    You will some scheduled tasks on the right side. Right-click on the first task, and then click on Disable to disable it. 

    Disable

    Similarly, disable all the scheduled tasks for the Windows Defender you see on the right side. 

    Exclude Windows Defender Folder From Antivirus Scan

    Another troubleshooting step to follow is excluding the Windows Defender Folder from the Antivirus scan. You can do so by following the steps given below-

    Open Start Menu and search for Windows Security. Now, click on Windows Security from the search result to open it. 

    Windows Security

    In the Windows Security window, click on Virus & Threat Protection. 

    Virus & Threat Protection

    Now, click on the Manage Settings option under Virus & threat protection settings. 

    Manage Settings

    Under the Exclusions section, click on Add or remove exclusions.

    Add Or Remove Exclusions

    Now, click on Add an exclusion and then on Folder. 

    Add Exclusion

    Now in the File Explorer window that opens up, head to the following address: C:\Program Files\Windows Defender

    Click on the Select Folder button to select the Windows Defender folder. 

    Select Folder

    Once done, restart your PC and see if you are still facing the issue. 

    Install Third-Party Antivirus

    Install third-party antivirus on your PC if you are facing Antimalware Service Executable high memory usage. When you install a third-party antivirus, then Windows Defender (or Windows Security) will automatically get disabled and you should no longer face issues due to it. 

    Use Registry Editor To Disable Windows Defender AntiSpyware

    If installing the third-party antivirus didn’t help solve the issue, then disable the Windows Defender AntiSpyware. Continue with this method only if you have a third-party antivirus installed on your PC. You can use Registry Editor to disable Windows Defender AntiSpyware.

    Press Windows + R key combo to open Run Dialog Box. Here, type Regedit and click on OK to open Registry Editor. 

    Regedit

    Navigate to the following address in Registry Editor: Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

    On the right side, look for DisableAntiSpyware DWORD.

    DisableAntiSpyware

    If this DWORD is not available, then right-click on the empty space on the right side, click on New, and then on DWORD (32-bit) Value. Name the new DWORD DisableAntiSpyware.

    Create DWORD

    Double-click on this DWORD value to edit it. Set the Value Data to 1 and click on OK. 

    Edit Value Data

    Close the Registry Editor and restart your PC to save the changes.

    Why don’t you try these solutions and check if this helps in fixing the Antimalware Service Executable high memory usage issue in Windows 11? If you’re aware of another solution, share it in the comments.

    Please do not hesitate to Contact me on Twitter if you want assistance with issue related to Windows 11, Windows 10, and Edge browser. I will try my best to assist you ASAP. (Follow me first and then PM your issue on Twitter)

    Buy us a coffee if you find information shared in this blog post useful. Mention ‘Coffee’ in Subject. So that I can thank you

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    Viney Dhiman
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