Originally Posted by your saviour

I have your solution, it is registy problem, boot up your pc, when it stops at the black screen with my documents open hit cntr+alt+delete and then task manager, run a new task called regedit, now in the left hand collum navigate to HKEY_local machine/software/microsoft/WindowsNT/Currentversion/winlogon. now in the right hand panel click on shell. The data value should only be explorer.exe so delete anything after that, restart and thats it, let me know if it works