Because noone answered me on the official Backtrack board i ask here :)
yesterday i installed BackTrack KDE
When it finished i typed "startx" into the Terminal.
Everythink works fine but i can just use my keyboard. If i klick any button of my mouse. The GUI crashes and i'm back in the terminal.
Video: http://www.youtube.com/watch?v=jSECZaJUDxI
Pls help :)