I was having issues with my XDarwin so I tried uninstalling it. I followed these guidelines:
'dpkg -r --force-depends system-xfree86'
Then:
sudo rm -rf /usr/X11R6
sudo rm -rf /etc/X11
sudo rm -rf /Applications/X11.app
sudo rm -rf /Applications/XDarwin.app
I then downloaded XDarwin...