This is especially common on low-end computers. This feature may drain your PC resources. The Windows Defender real-time feature constantly scans files and connections, etc.

Protection in Realtime: While running in the background, it actively scans programs and files and carries out the appropriate actions whenever it detects anything malicious.

The main reason that antimalware service executable uses too much CPU is that it runs constantly in the background to provide:

Some users also reported experiencing MsMpEng.exe high disk usage.

However, many user reports on Microsoft support forums have shown that sometimes the MsMpEng.exe can also cause disproportionately high CPU and Memory usage. It's closely tied to Windows Defender's real-time protection feature against malware and cyberattacks. When it runs, the Antimalware Service Executable also ensures that Windows Defender provides real-time protection against viruses, malware, and cyberattacks. The MsMpEng.exe runs the Windows Antimalware Service Executable to enable Windows Defender to monitor your PC for potential threats continuously. Why does Antimalware Service Executable use High CPU When an antimalware service executable detects a virus or other malicious attacks, it deletes them or quarantines them. Also known as msmpeng.exe, the antimalware service executable Windows process runs in the background, so it can scan files and programs from time to time. Watch: 10 Must Have Apps and Software for Windows 2023Īntimalware service executable ( MsMpEng) is a Windows Security process that executes real-time protection against malware.Fix #5: Disable Windows Defender Service].Fix #4: Disable Windows Defender Service.FIX #3: Add Antimalware Service Executable to the Windows Defender’s exclusion list.Fix #2: Change Windows Defender Scheduling settings.

How to Fix High CPU Usage By MsMpEng.exe in Windows 10.Why does Antimalware Service Executable use High CPU.Learn how to fix Windows Defender's Antimalware Service Executable (MsMpEng.exe), create high CPU usage, and make your computer work properly again. However, a number of Windows users have noted that the Antimalware Service Executable (MsMpEng) sometimes shows high CPU usage. Windows Defender uses the Antimalware Service Executable or MsMpEng (MsMpEng.exe) process to execute its functions.

Windows defender malware removal tool