How to remove MsMpEng error

The free file information forum can help you find out if MsMpEng.exe is a virus, trojan, spyware, adware which you can remove, or a file belonging to a Windows system or an application you can trust.

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MsMpEng.exe file information

The process Service Executable belongs to the software Windows Defender or Windows Defender Service or Microsoft Malware Protection or MsMpEng.exe by Microsoft Corporation (www.microsoft.com).

Description: MsMpEng.exe is located in a subfolder of "C:\Program Files" or sometimes in a subfolder of C:\. Known file sizes on Windows XP are 13592 bytes (49% of all occurrence), 14032 bytes, 45840 bytes, 18832 bytes, 16200 bytes.
The program has no visible window. MsMpEng.exe is certified by a trustworthy company. MsMpEng.exe is not a Windows system file. You can uninstall this program in the control panel. Therefore the technical security rating is 22% dangerous, however also read the users reviews.

Recommended: Identify MsMpEng.exe related errors

Important: Some malware camouflage themselves as MsMpEng.exe, particularly if they are located in c:\windows or c:\windows\system32 folder. Thus check the MsMpEng.exe process on your pc whether it is pest. We recommend Security Task Manager for verifying your computer's security. It is one of the Top Download Picks of 2005 of The Washington Post and PC World.

Links: MsMpEng.exe, MsMpEng.exe

Score

User Comments

Not dangerous but annying: it uses 100% of CPU for a few minutes at Windows startup .Windows Defender can be safely deleted. Use Adaware and Spybot instead.
Henry. (further information)

hotbar 4.8.4.0

but it hogs up 50% of my Core Duo
Ben

Offenbar auch ein Dienst von Windows Live OneCare
Ed

part of windwos defender
M

spyware,
Bob

Is Microsoft. Also is known to consume 100% CPU at times.
Chuck

Windows Defender process
Jim (further information)

Windows did not do a very good job with this one. Disabled my firewall several times
Tem

MS Defender component, do not end while running. If you want, uninstall Defender to solve the problem
ko

Windows Defender. On one machine of mine it eats up to 30% CPU time
Calbo

windows defender
H55

Windows Defender

It's a process for Windows Defender Spyware program. Safe to end this process.
Gooseman

More comments can be found here:
(further information)

Summary: 51 users think MsMpEng.exe is essential for Windows or an installed application. 1 user think it's probably harmless. 9 users think it's neither essential nor dangerous. 2 users suspect danger. 2 users think MsMpEng.exe is dangerous and recommend to remove it.. 4 users doesn't grade MsMpEng.exe ("not sure about it").

MsMpEng scanner

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