sorry for this OT....
i scan my sistem windows xp with GMER rootkit :
GMER 1.0.15.15640
---- Disk sectors - GMER 1.0.15 ----
Disk \Device\Harddisk0\DR0 MBR read errorDisk \Device\Harddisk0\DR0 MBR BIOS signature not found 0
---- EOF - GMER 1.0.15 ----
now is in BLACK ! but, what is this MBR READ ERROR

i scan with the tool MBR.EXE from gmer and say : MBR ok !
and with the tool avast aswmbr.exe and say MBR ok !
now ? MBR in my pc is ok ? best and kiss....... Mery