Vineeth,
Try this and let us know what happens.
Start>Run
type shutdown/s and let us know what happens.
If this works then its probably a registry problem & you'll need to peform a system restore if available or restore the registry hive.
Regards
Chris
sennetor
Junior Poster in Training
91 posts since Nov 2003
Reputation Points: 19
Solved Threads: 9
you should backup your registry before trying to do anything...try suggestion above do a system restore..
check out this site from MS it might help.. http://support.microsoft.com/kb/308029
Good luck!
cguan_77
Nearly a Posting Virtuoso
1,317 posts since Apr 2007
Reputation Points: 19
Solved Threads: 115