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msmpeng.exe

Associated Program: Microsoft Windows

Programm Category: Operating System Software

What is msmpeng.exe

There are two known programs that use the executable msmpeng.exe process as their EXE program dispatcher files, both are from Microsoft, and both are meant to provide security to the computer. These applications are Microsoft Security Essentials and Windows Defender. What happens is, when the Microsoft Security Essentials software is installed in the computer, and you already have Windows Defender running; the latter will be automatically terminated to give way to the former. In like manner, when you terminate or uninstall Microsoft Security Essentials, Windows Defender will revert back to being enabled and running in the background. These programs basically protect the system from malware intrusions. The file has a default path of C:\Program Files\Microsoft Security Client\Antimalware\msmpeng.exe. The file does not serve as a system process, but may be essential to keep, to protect the PC from malicious attacks, and remove malicious files if any have already found their way into the system. Files sizes are from 12.48 KB to 17.02 KB.

How can I stop msmpeng.exe and should I?

Most non-system processes that are running can be stopped because they are not involved in running your operating system. msmpeng.exe. is used by Microsoft Windows, If you shut down msmpeng.exe, it will likely start again at a later time either after you restart your computer or after an application start. To stop msmpeng.exe, permanently you need to uninstall the application that runs this process which in this case is Microsoft Windows, from your system.

After uninstalling applications it is a good idea to scan you Windows registry for any left over traces of applications. Registry Reviver by ReviverSoft is a great tool for doing this.

Is this a virus or other security concern?

ReviverSoft Security Verdict

The ReviverSoft experts have not yet reviewed msmpeng.exe

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What is a process and how do they affect my computer?

A process usually a part of an installed application such as Microsoft Windows, or your operating system that is responsible for running in functions of that application. Some application require that they have processes running all the time so they can do things such as check for updates or notify you when you get an instant message. Some poorly written applications have many processes that run that may not be required and take up valuable processing power within your computer.

Is msmpeng.exe known to be bad for my computer's performance?

We have not received any complaint about this process having higher than normal impact on PC performance. If you have had bad experiences with it please let us know in a comment below and we will investigate it further.

What can I do if msmpeng.exe is causing errors on my computer?

The first thing you should do if msmpeng.exe. is causing errors on your computer is to run a Windows registry scan with Registry Reviver If you are still seeing errors after this you should uninstall the program that msmpeng.exe, belongs to, in this case Microsoft Windows

About Mark Beare

Founder of ReviverSoft and lover of tweaking and maintaining computers. Ask me a question and comment on my posts. I love feedback!

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