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% of CPU.

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.

If you have seen the program “Antimalware Service Executable” in the Task Manager, don’t be worried. It’s not a third-party service or a virus mimicking an antivirus. It’s an official program from ...

The McAfee security software process Mcshield.exe has multiple documented use-cases that can cause the program to take over the computer's CPU. If a user experiencing a problem with the program brings ...

There are two common factors that can cause Antimalware Service Executable to take up too much CPU resources, from its real time feature and Full scan feature. Real time protection Feature is ...