i have got a virus that my AV can\'t detect.it doest have any effect while in safe mode.i tried to scan with avast pro AV 5.0.545(not up to date) and noticed a strange process sf.bin occuring repeatedly.i tried to play my games and every time system was restarded for and now my system strarts only in safe mode where in normal startup mode,after installing KIS2011 a blue screen appears reporting some memory problems,with messages like "if this is your first time.......".the cpu usage is 99% or more in normal mode while trying to scan for viruses. while in safe mode it is normal (14% to 25%). how do i get rid of this virus or whatever it is?