Msmpeng.exe Process - What Is Msmpeng.exe Exactly?

The process msmpeng.exe belongs to the Service Executable application of Windows Defender developed by Microsoft Corporation. Its legal version is digitally signed from Microsoft Corporation - Microsoft Time-Stamp Service.  It is responsible for performing spyware scans and protecting your system from spyware in the background. Windows Defender is also installed as part of Windows Live OneCare. The related files of Windows Defender contain MpSvc.dll, CmdLineExt03.dll, PCTBrowserDefender.dll as well as MSASCui.exe.

Service Executable has encountered a problem and needs to close.
MsMpEng.exe szAppVer: 1.5.1958.0 szModName MpSvc.dll

MsMpEng.exe - Application Error
The instruction at "0x7c911c48" referenced memory at "0x0031005c". The memory cannot be read.
Click OK to terminate or Cancel to debug.
 
MsMpEng.exe - Application Error
The instruction at "0x0b2a7b63" referenced memory at "0xff000113". The memory cannot be read.
Click OK to terminate or Cancel to debug.

MsMpEng.exe - Application Error
The instruction at "0x7c911daa" referenced memory at "0x02dba000". The required data was to be placed into memory because of an I/O errorstatus of "0x000009c".
Click OK to terminate or Cancel to debug.

What Problems Bring About Msmpeng.exe to the Computer?

Missing, corrupt or incompatible msmpeng.exe
Unexpected corruption of Windows Defender
Incorrect modification on Windows Defender
Undesirable change on system settings, including DNS setting and security setting
Damaged latest updated system files
Missing or damaged registry files related with Windows Defender
Disabled or invalid driver files of Windows Defender and system security functions
Loads of registry components which can totally disrupt the system

A List of Consequences of Msmpeng.exe Error Messages

Windows Defender: "Error Code 0x800106ba", such as “Error Code 0x800106ba Application failed to initialize” and “Error Code 0x800106ba The systems license has expired. Your logon request is denied. “
Windows Defender error 0x800106ba
Windows Defender error 80240438
Windows Error Code 0x80240022
Windows Defender (Win8) terminates during scan (0x800106ba)
Unable to load Windows Defender properly
Cannot remove undesirable system files and components
Failure to load sytem security programs

How to Eliminate Msmpeng.exe Error Messages Totally?

Method One: Uninstall Windows Defender.
Uninstall It with Windows utility
For Windows XP
Step One: Click Start, click Control Panel.
Step Two: Click Add or Remove Programs. Find out Windows Defender, click to remove it.
Step Three: Follow the install wizard to remove it.

For Windows 7
Step One: Click Start, click Control Panel.
Step Two: Click Programs, and then go to Programs and Features.
Step Three: Locate Windows Defender, right click it and then select Uninstall.
Step Four: Follow the uninstall wizard to remove the program.

Method Two: Run Windows Firewall.
For Windows XP
Step One: Click on the Start, and then click on Run.
Step Two: From the Open box, type control onto it and press Enter button.
Step Three: As soon as the Control Panel box appears. Click on Windows Update.

For Windows 7
Step One: Click Start, go to Control Panel.
Step Two: Click Security, go to Security Center.
Step Three: Click Firewall, click Turn on now.

Method Three: Fix registry problems.
The Windows registry is a database for the Windows- based system to store settings and options information for low- level system components and third- party applications which are important for system performance. Registry related problems can severely destroy the system and result in multiple system problems, including unexpected reduction of system performance, Blue Screen of Death error messages, software instability and undesirable corruption of system files. To fix msmpeng.exe error, you may firstly solve the registry problems.

A trusted registry repair tool may be an available solution for the problems. It contains loads of registry repair toolkits which have the power to solve missing references to shared DLLs problems, eliminate unused registration entries for file extensions, and remove missing referenced application paths. With the trusted registry repair tool, you can retrieve an error- free Windows registry again. How to fix msmpeng.exe error and solve the registry problems?



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