OneCare : Service Executable has encountered a problem and needs to close ; error message & crash

UPDATE April 15, 2014 : Are you here because of an antimalware service executable has encountered a problem error that’s slowed your system to a crawl? Check out my post that may have a solution – click here.


We are sorry for the inconvenience

Grrr, this has been my experience with Windows Live OneCare 2.0 … after having uninstalled the 1.5 version of OneCare and installed the 90 day trial of the 2.0 release…. I suspect there is some file that the scanner engine doesn’t like, because I get this mysterious

Service Executable has encountered a problem and needs to close. We are sorry for the inconvenience.


It is MsMpEng.exe that is crashing – version 1.5.1941.0 – along with mpengine.dll version 1.1.3109.0 which is the associated library. This is strange as it seems to be the Windows Defender component that is having a hard time…

Sigh…. if you are experiencing this in your Windows Defender and/or Windows Live OneCare setup, please leave me a comment!

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