The Antimalware Service Executable, also known as MsMpEng.exe, is a critical component of Windows Defender that runs in the background to protect your system from malware and other security threats.

To fix high memory usage by Antimalware Service Executable on Windows 11, try turning off real-time protection, uninstalling pirated apps, scanning for malware, rescheduling Windows Defender scans, or ...

If you are an Insider who is fighting the Beta channel builds on Windows 11, chances are your PC has a bug in it that is causing high CPU usage. Microsoft has also confirmed the issue is real. When ...