Muhammed ;-) May you open another thread for extra help & don't hesitate to write to the Uruk mailing list
https://trisquel.info/en/wiki/installation-troubleshooting http://askubuntu.com/questions/541036/macbook-pro-ubuntu-install-freezes-after-grub-menu http://ubuntuforums.org/showthread.php?t=1613132
