I have fixed this problem. There is an undocumented conflict between xulrunner packages. Somehow I had four packages installed. I removed all of the packages and only installed the ones required by a re installation of ubuntu-desktop.
I have fixed this problem. There is an undocumented conflict between xulrunner packages. Somehow I had four packages installed. I removed all of the packages and only installed the ones required by a re installation of ubuntu-desktop.