IV:MP actually got a virus(detected by Norton 360) named InfoStealer.Gampass.This virus can stole your ,my virus detector deleted my game and when i install again it will be deleted again
Well Look , u said that u have Norton 360 , Try to Remove all AntiVirus Programs , also remove Norton 360
Then Install the Game , i think it`s going to work normaly, as u said that when u install the game , norton deletes it