Win32 services process

Hey!

I contact you guys becouse i've gotten good selutions here before.
Anyway, the last days something strange happens with my computer.

Becouse, when i start the computer, it's sound. But when the computer is finnished "starting" this message comes upp (maybe not right in english since message translated from norwegian):

[CODE]Generic Host Process to Win32 has a problem and have to close. We are sorry for this.

If you were doing anything, you may have lost some informations blablabla...

(clicking on more information):
Wrongsignature
szAppName : svchost.exe szAppVer : 5.1.2600.2180 szModName : wuaueng.dll szModVer : 5.8.0.2469 offset:0007cb9a

(technical information):
C:\DOCUME~1\Stian\LOKALE~1\Temp\WER41d0.dir00\svchost.exe.mdmp
C:\DOCUME~1\Stian\LOKALE~1\Temp\WER41d0.dir00\appcompat.txt


And then the sound dissapears. Please help me!
Even my games shut down.