Last night,I copy some files from my friend computer,and I don't know that this executables files could be harming my computer..so I reinstall my windows again..sadly..I wasting my precious time to kill that viruses.so many trojan in my computer..I was unaware about that..but I am lucky my other drive was safe..thanks for my friend,Rahadian that give me bunch of latest updated antivirus..ok,let's write again..