I dont know what is wrong with my usb thumb drive, but everytime i plug it into my computer, the icon is not the usual drive like the ones on local disk C or D, but it shows the drive as a folder. i think it has been infected by some sort of virus or something but my antivirus didn't detect it. i've run malwarebytes and sas and the result is still the same. few days ago the folder options on the menu went missing but after running combofix, i managed to get it back. p/s: does anyone need the HJ log to help me with this? i'm not sure whether to put this under hardware or virus removal =_="