Thankyou
I got "Activation context generation failed for "C:\Program Files\Windows Live\Messenger\msnmsgr.exe". Dependent Assembly Microsoft.VC90.CRT,processorArchitecture="x86",publicKeyToken="1fc8b3b9a1e18e3b",type="win32",version="9.0.30729.1" could not be found. Please use sxstrace.exe for detailed diagnosis."
and the event ID is 33