recently i encountered a strange problem, wenever i tried to open orkut on my IE, d window closed nd i got a dialogue box saying dat orkut is banned wid a strange sound accompnying it. den d same happnd wid youtube. den i installed mozilla firefox but couldnt use it as evrytime i started it, it wud automatically close wid a msg "i dnt hate mozilla but use IE or else..." i installd a new antivirus, updated it nd scannd d system, nothing hppnd... nw am not even able to format my pc ne wich way!! PLZ HELP!!