Click OK to apply changes made. Check if Antimalware Service Executable High CPU usage issue still occurs. Method 3: Add Antimalware Service Executable to Windows Defender Exclusion List ...

Microsoft Windows comes with a built-in antivirus – Microsoft Defender Antivirus. It performs a scan of your computer for malware from time to time and its background process is called Antimalware ...

What is Antimalware Service Executable msmpeng.exe & why does it show high Memory, CPU, Disk usage in Windows 11/10? Is it a virus? Find the fix here.

Method 2: Exclude Antimalware Service Executable from Scans Adding the Antimalware Service Executable to the exclusion list can reduce its CPU usage. Here’s how to do it: ...

Then I performed the Quick Scan (and surely during the scan the CPU consumption jumped), but here's the strange thing: even after the scan was complete the service continued to consume 100% of CPU.