

Let’s take a look at the description of the process involved concerning each of the listed solutions. If you’re faced with this high CPU, Disk, or Memory usage issue, you can try our recommended solutions below in no particular order and see if that helps to resolve the high CPU usage issue. This makes sure that your PC is not slow when you are working, and running scans in the idle stage gives the program advantage of using more CPU resources.

The best part of this Antimalware Service Executable or Windows Defender is that it only does background scans when your PC is sitting idle. When your PC boots, software installation is in progress, when you download the file from the internet or check your emails in Outlook with attachments. You will notice these types of surges happen at certain events. This is to make sure of a potential virus or malware. If you have seen it taking a high CPU portion, the chances are that it is scanning your files in the background. At times, I have seen it consuming 30% CPU usage. I have seen this program sitting in the background, and doing nothing. Antimalware Service Executable High CPU, Memory, Disk usage # You can also invoke the Defender program manually to perform the scan, and this will increase the CPU and Memory usage.

You will notice that it’s available under C:\ProgramData\Microsoft\Windows Defender\Platform\6.18052-0. The best way to cross-check is to right-click on the program name, when in Task Manager, and open its file location. Many a time the antivirus program needs to run the background with scheduled scanning, checking files for malware, runtime software installation, and continuously monitor files for changes. If for some reason, you have seen it listed in the Task Manager consuming memory, and CPU more than ever, don’t be worried. This process helps offer real-time protection against malware and other potential threats. Like many other programs that need to run continuously in the background, WDAS also runs in the background with the name of Antimalware Service Executable (MsMpEng.exe).

Windows 11/10 and Windows Defender, now integrated within the core of OS, and primed as Windows Defender Antivirus System, has come a long way. What is Antimalware Service Executable (msmpeng.exe) # This Antimalware Service Executable has been reported, at times, to be consuming far more than its fair share of CPU processing power, and can even impact your computer’s speed to a snail’s speed. The Antimalware Service Executable process plays an important role in the Windows Defender antivirus that is native to Windows 11/10.
