elow ninyo..need to solve this one..how to re enable this, the log off button in the start menu are gone, also the drive c n my computer..(no drive c was dsplyed) only floppy drive and d cdrom. og ang iya contol panel sad ala na sa startmenu. by d way kni nga pc gkan na virusan..aq na na remove ang virus using manual delete and virus scan. pls!..