I have a Backdoor.Trojan virus infecting my R_bot.dll file which is in my System32 file. No actions can be taken against it (Quarentine or Clean) and the file can not be deleted because it is a System32 program. Is there a way to gain access to this file so I can delete it? Or is there something else I can do? I have a Dell Dimention 4600 computer. Thanks