ko guna process explorer bro... (http://technet.microsoft.com/en-us/sysinternals/bb896653)... pastu tgk location dia... biasanya kat C:/Windows/System 32. pastu ko kill process. cari kat lokasi pc bro(biasanya di hidden kan)... pastu delete je.... kalo registry bro gie kat sini. (start - run - type regedit pastu enter...
HKLC\software\microsoft\windowsNT\winlogon. double click shell (delete yg belakang explorer.exe)