Hi guys..
For some reason its workin now..dnt knw which is the exact solution..cos i hv tried loads of tricks..also one thing i really did was copied the quicklaunch folder in all the user accnts, like all users, myself, current user..
may be this might of resolved the prob..but not sure
Anyway thnx 4 all the ppl who spent their precious time in resolvin my issue..
thnx once again.