Whenever i try openin orkut.com in my internet explorer it closes automatically and displays the error as "orkut is sending virus to ur PC"..? Is this some kind of virus or something... i cant even type the work "Orkut" in my internet explorer or cant even google it... i cant open Mozilla also.. i don want to format my system bcoz there r lots of important stuffs... plz give me a solution for this problem.... thanx