Analyze and understand Windows processes

msmpeng.exe - Microsoft Windows Defender Antispyware

Do you suspect that the msmpeng.exe file is causing problems on your PC? Using simplifast FREE, you can check Windows for unnecessary autorun entries!

Problem with the msmpeng.exe process? Optimize Windows autorun using simplifast.

The following Potential Threat is presented by msmpeng.exe:

  • msmpeng.exe runs on all systems with Windows Defender installed. Therefore, the process is relatively widespread and also a favorite for attacks by malware.
  • If multiple instances of this process are running, it can be presumed that at least one is an infection.

Information about the msmpeng.exe process

msmpeng.exe a core process of Windows Defender, an anti-spyware tool from Microsoft. It is used to conduct system scans for spyware and then delete or quarantine found strings.

The msmpeng.exe process may cause errors! You should additionally conduct a free scan using simplifast FREE to check whether your system is compromised by unnecessary autorun processes.

Other system processes, that often cause problems: