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How to Fix MsMpEng.exe High CPU Usage on Windows 1
How to Fix MsMpEng.exe High CPU Usage on Windows 1
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MADY56
1 post
Jul 08, 2024
11:34 AM
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MsMpEng.exe, also known as Antimalware Service Executable, is a core process of Windows Defender. While it plays a crucial role in protecting your system from malware, it can sometimes cause high CPU usage, significantly slowing down your computer. Understanding the reasons behind this issue and knowing how to fix it can help improve your system's performance without compromising security.
How to Fix MsMpEng.exe High CPU Usage on Windows 10
Is your computer running slow because of high CPU usage by MsMpEng.exe? This process, known as Antimalware Service Executable, is essential for Windows Defender, but it can sometimes consume too many resources. Here’s how you can fix MsMpEng.exe high CPU usage on Windows 10:
Adjust Windows Defender Scheduled Tasks:
Open Task Scheduler (search for it in the Start menu).
Navigate to Task Scheduler Library > Microsoft > Windows > Windows Defender.
Right-click on Windows Defender Scheduled Scan and select Properties.
Under the Conditions tab, uncheck all the options to prevent unnecessary scans from running at inconvenient times.
Exclude MsMpEng.exe from Windows Defender Scans:
Open Windows Security (search for it in the Start menu).
Go to Virus & threat protection > Manage settings > Add or remove exclusions.
Click on Add an exclusion and select Process.
Type MsMpEng.exe and add it. This prevents Windows Defender from scanning its own process.
Limit CPU Usage for Windows Defender:
Open a Command Prompt as an administrator.
Type the following command and press Enter:
reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Scan" /v AvgCPULoadFactor /t REG_DWORD /d 10
This command limits Windows Defender to use a maximum of 10% of your CPU.
Update Windows Defender:
Ensure your Windows Defender is up to date. Open Windows Security, go to Virus & threat protection, and click on Check for updates.
Check for Malware:
Ironically, high CPU usage by MsMpEng.exe could indicate an actual malware infection. Run a full system scan with Windows Defender or a trusted third-party antivirus to ensure your system is clean.
Consider Alternative Security Solutions:
If the issue persists, consider using a different antivirus program that is lighter on system resources. Many reputable antivirus solutions can provide robust protection without significantly impacting performance.
By following these steps, you can reduce the high CPU usage caused by MsMpEng.exe and improve your computer's performance. Keeping your system secure is important, but it shouldn’t come at the cost of usability. If you have any other tips or need further assistance, feel free to leave a comment below!
Last Edited by MADY56 on Jul 08, 2024 11:36 AM
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Tayiba Shabir
2 posts
Sep 02, 2024
11:33 PM
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