Try this.
Open an Command Prompt (Start >> All Programs >> Accessories >> Command
Prompt )
Type "C:\Documents and Settings\zzz459a>RunDll32
advpack.dll,LaunchINFSection %windir%
\INF\msmsgs.inf,BLC.Remove" and hit enter. This will remove Msn messenger
4.X (or Msmsgs.exe ) from your system.
This wil normaly fix your problem

I hope this helps u
"nod" wrote:
> Jake,
> Stopping "Windows" Messenger is easy, if you happen to be using ZoneAlarm
> Pro (I don't know if the same applies to the free ZoneAlarm).
> Program Control I Programs Tab I Trust Level Column I left click opposite
> Windows Messenger and select "Kill".
> A dialog box will warn you that the program will not run again until ....
> Select "Yes" and exit.
> Probably "MSN" Messenger could be killed the same way.
> Good luck!
>
>
>
>
> "Jake Norman" wrote:
>
> > I have diabled Windows Messenger service from running through the Services
> > console+disabled it from the messenger's options as well. The process was not
> > appearing earlier but after the recent windows update, this process keeps on
> > running and hogs the memory.It restarts after it is manually stopped.
> > I searched the windows for the exe and found only this entry in Windows
> > Prefetch folder"MSMSGS.EXE-2B6052DE.pf".Any ideas how can I get rid of this
> > process. Thanx