The following packages have unmet dependencies:
 xscreensaver: Depends: libglade2-0 (>= 1:2.5.1) but 1:2.4.2-2 is to
be installed
               Depends: libgtk2.0-0 (>= 2.8.0) but 2.6.4-3.1 is to be installed
               Depends: libxfixes3 but it is not going to be installed
               Depends: libxinerama1 but it is not going to be installed
               Depends: libxxf86misc1 but it is not going to be installed
               Depends: libxxf86vm1 but it is not going to be installed
E: Broken packages