I just noticed on my mom's computer that some "MsMpEng.exe" process (labeled "Antimalware Service Executable" and located under "C:\\Program Files\\Microsoft Security Client\\") is consuming 100% ...

Method 3: Add Antimalware Service Executable to Windows Defender Exclusion List There have been reports by users that adding MsMpEng.exe to the exclusion list of Windows Defenders solves the problem.

The core software part of Microsoft Defender is the Antimalware Service Executable, which can be found in the MsMpEng.exe list in the Task Manager. The anti-malware service executable scans your ...