hi frnds
i'm using windows xp pro.a few days b4 i was downloading daily updates
4m microsoft's website but mid way i had 2 quit it due 2 power faults.after
that everytime i log onto windows i receive a pop up box along with the
wellcome screen, giving d msg -"ur system can b at risk" with two options..

1>resolve now (clicking this is redirecting me 2 www.microsoft.com)

2>resolve later....(clicking this i'm able to enter windows normally)

tell me how can i get rid of this pop up msg box and restore original login....