Important: If your PC is producing MpCmdRun.exe errors, you should check your Windows operating system immediately!

The file MpCmdRun.exe is part of the program Windows Defender from the manufacturer unknown. Its task: MpCmdRun.exe unknown
MpCmdRun.exe is normally found in the directory %programfiles%\Windows Defender. If the file is located in another folder, you may have selected this path when installing the software. Under certain circumstances, this can also be an indication of a virus.

How to fix MpCmdRun.exe errors

If Windows notifies you of MpCmdRun.exe errors, the cause may be the result of damaged or corrupted registry entries.
In most cases, it helps to check the Windows registry for MpCmdRun.exe errors!

If this does not fix MpCmdRun.exe errors, we recommend uninstalling the program using the Control Panel and then running a scan of the Windows registry again.

MpCmdRun.exe slows down my PC!

Programs and files can have a strong impact on the performance of a Windows operating system. In some cases, this also includes MpCmdRun.exe.
In case of doubt, you should uninstall the program in question.
If MpCmdRun.exe is in the Windows startup folder, it can slow down a PC. We recommend that you turn off the automatic startup of this program.
Our advise: TuneUp Utilities disables unnecessary startup programs and Windows applications thereby minimizing the load on your computer. The software also fixes MpCmdRun.exe errors!

Is MpCmdRun.exe harmful to my computer?

MpCmdRun.exe is considered to be trustworthy. If the file is not located in the standard path, this may indicate the presence of a virus. Scan your PC with an up-to-date virus scanner. We recommend using the free antivirus software AVG Anti-Virus Free from

All information about MpCmdRun.exe:

The following information about MpCmdRun.exe is available.
Product name: Windows Defender
Process name: Command Line Utility
manufacturer: unknown
Website manufacturer: unknown
Standard path: %programfiles%\Windows Defender
Category: Utility program for Windows Defender.
Assessment: trustworthy