thank u i did what u said i clicked f8 until i got the menu but what option should i click ?safe mode or sm with networking or safe mode with command prompt (i got an error when i clicked safe mode with command prompt i think that shell32.dll was corrupt )i clicked debugging mode and got the error that i started the post with (00000 ... )i clicked enable boot logging and got the 000... error i clicked safe mode with networking got error shell32.dll i clicked enable vga and got the 0000... error i clicked safe mode and got the shell32.dll error i clicked directory services restore mode and got the error STOP bad image checksum shell32.dll is possibly corrupt the header checksum does not match the computed checksum reboot and last good configuration and start windows normally get the same errors by the way bedstorfromAP u can detail seeing how i am a newbie and that this is my other computer i would very much appreciate it if u did