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What is mpcmdrun.exe?

Part of Windows Defender by Microsoft

What is it?

You can use this tool to automate and troubleshoot Microsoft Antimalware Service. So for instance if you wish to do a quick scan from the command line, you can use -Scan 1 parameter. Microsoft Security Essentials is efficient and compact. Scans and updates are scheduled to run when the PC is idle and the software works in a way that your PC is still snappy when you’re using it.
Description of mpcmdrun.exe from Microsoft
There are a host of nasty intruders on the Internet including viruses, trojans, worms and spyware. Microsoft Security Essentials offers award-winning protection against these intruders without getting in your way. Microsoft Security Essentials provides real-time protection for your home or small business PC that guards against viruses, spyware, and other malicious software. Microsoft Security Essentials is a free* download from Microsoft that is simple to install, easy to use, and is automatically updated to protect your PC with the latest technology. Microsoft Security Essentials runs quietly and efficiently in the background so that you are free to use your Windows-based PC the way you want—without interruptions or long computer wait times. Microsoft Security Essentials runs quietly in the background. You’ll only be alerted when there are specific actions to take.
(mpcmdrun.exe is a system file that is installed with Windows)
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How is mpcmdrun.exe loaded?

Scheduled task - mpcmdrun.exe is launched automatically by registering itself into the Windows Task Scheduler under the task name '\Microsoft\Windows Defender\MP Scheduled Scan'. Task Scheduler provides the ability to schedule the launch of programs or scripts at pre-defined times or after specified time intervals or even with event-based triggers.


What is the community is seeing?What is the community is doing?
About 0.6% of all Boost users have the mpcmdrun.exe file.Of the 0.6% of mpcmdrun.exe users, less than 1% have disabled it.
How stable is Windows Defender?
Based on crash data discovered by Boost, stability is a measure of how sound this particular software program and the average percent of times it crashes.
Typical program1.26%
Typical file (disk image) location:
C:\Program Files\windows defender\mpcmdrun.exe

What else is related?

Windows Defender Stability

mpcmdrun.exe crashes or has encountered a critical error 0.8900% of the time.
Error: MpTelemetry (MpTelemetry)
Occurred: over 3 months ago
Error: MpTelemetry (MpTelemetry)
Occurred: over 3 months ago
Error: MpTelemetry (MpTelemetry)
Occurred: over 3 months ago

What Windows OS versions does this run on?

Windows Vista (TM) Home Premium (6.0.6002.131072)
Windows Vista™ Home Premium (6.0.6002.131072)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
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File details

File name: mpcmdrun.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Defender
Description: Windows Defender Command Line Utility
Version: 1.1.1600.0
Size: 482.55 KB
Original file name: MpCmdRun.exe
Windows file protection: Yes

Digital certificate

Scheduled task details

Name: MP Scheduled Scan
Command: \Microsoft\Windows Defender\MP Scheduled Scan

Image hashes

MD5: 22420d883dc0844058c00d3e7e5e72e3
SHA-1: 6138aabd73ed7ae0052ec78eca77c7c73d3c0a4b
SHA-256: e133f9a46b4f657d0192062c58ebe89fedbc5733e1d75bcf81e09506e378bf9a

PE image details

CLR assembly: Yes
Langauge*: Microsoft Visual C# / Basic .NET
File packed: No
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