High CPU usage because of Antimalware Service Executable

Antimalware Service Executable is running to scan the malware and spyware when you access them. It will detect if there's anything harmful on your PC.

I don't know why but Antimalware Service Executable is using 80% if my CPU. I did anything to try to stop it but it didn't work.

When connected to the company network (wireless LAN), the CPU usage rate of the Antimalware Service Executable process is always around 0-10%.

步驟1. 同時按住Windows+R，打開執行視窗。 步驟2. 在執行視窗裡輸入: regedit 後按Enter，打開登陸編輯程式。 步驟3. HKEY_LOCAL_MACHINE-SOFTWARE-Policies- ...

下列文章說明如何解決筆記型電腦或桌上型電腦鎖定的問題。這是因為Windows Defender 掃描。它會強制裝置的硬碟機（HDD） 和中央處理器（CPU） 最多100% 使用率。

In this article, you'll learn what Antimalware Service Executable exactly is and how to fix its high CPU usage issue.

Antimalware service executable is a Windows Security process that executes real-time protection against malware. Also known as msmpeng.exe.

To stop high CPU and disk usage by the Antimalware Service Executable, try updating Windows Defender and scheduling scans during off-peak hours.

Windows Defender is anything but light. I find it slows systems down considerably and uses much ram and cpu cycles. I get why people use it ...

I checked the task manager and found that 'Microsoft Malware Protection Command Line Utility' is taking almost all the CPU and disk usage.