I have trouble with about 8 viruses on my computer, my anit virus software: Norton Anti Virus cannot remove them. THe Viruses are: W32.Kwbot.C.Worm, W32.Randex.F, W32.Kwbot.F.Worm, Backdoor.Sdbot.F, another W32 Randex.F, Backdoor.Trojan, BAckdoor.Optix, Backdoor.Sdbot, and another W32 Randex.F, does anyone know a way to rid of these viruses?