msmpeng.exe what is

msmpeng.exe is the core process of the Windows Defender automatic protection service. It can detect and remove spyware, adware and other potentially dangerous software in the Windows system, so that Windows users are protected from such software. threats.

#The operating environment of this article: Windows 7 system, Dell G3 computer.

What is msmpeng.exe?

MsMpEng.exe is a core process belonging to the Windows Defender automatic protection service and is included in the tool component of Microsoft AntiSpywaresoftware.

MsMpEng.exe can help detect and remove spyware, adware and other potentially dangerous software in Windows systems, so that Windows users are protected from the threats of such software.

MsMpEng.exe cannot be closed. You can only try to uninstall the MSE anti-virus software to reduce its use. It has been confirmed that msmpeng.exe will gradually reduce the memory occupied as the system runs.

Extended information

MsMpEng.exe belongs to the program WindowsDefender, which has been built into Windows Vista, Windows 7, Windows 8, Windows 8.1 and Windows 10. Its beta version was released on January 6, 2005, and Microsoft released updated beta versions on June 23, 2005, and February 17, 2006.

Windows Defender’s definition library is updated frequently. Unlike other similar free products that can only scan the system, Windows Defender can also monitor the system in real time, remove installed Active X plug-ins, and clear the history of most Microsoft programs and other commonly used programs.

In the latest release of Windows 10, Windows Defender has added right-click scanning and offline antivirus. According to the latest daily sample test, the killing rate has been greatly improved and has reached the international first-class level.

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