
When you encounter the MsMpEng.exe high CPU usage issue, the first thing you can do is to change Windows Defender's Scheduling settings. Change Windows Defender’s Scheduling Settings To fix the high CPU usage issue caused by Anitimalware Service Executable, you can try the following methods. How to Fix Antimalware Service Executable High CPU Usage If you encounter Antimalware Service Executable high CPU issue in Windows 10, you just need to try the following reliable solutions to fix it. It is part of the Windows operating system. So if you find Antimalware Service Executable appeared in the Task Manager, remember that it not a virus or a third party service. When it is scanning, you may experience lag, delays, hanging and the CPU will increase accordingly.

Full Scan feature will scan all files on your computer.

Why does it cause so much CPU usage your PC? Here are the two most common reasons:

However, the drawback of the Antimalware Service Executable process is that it causes extremely high CPU usage. This process enables Windows Defender to monitor potential threats to your computer and provide real-time protection against malware. What is Antimalware Service Executable? In fact, the Antimalware Service Executable (also known as MsMpEng.exe.) process is Windows Defender’s background service and it is always running in the background. Tip: Before proceeding, you can always backup important files on your Windows PC, as mistaken operation may cause unexpected data loss sometimes.
