The following work-around can be used to avoid the issue: $ apt-get -f remove libxfce4mcs-client3 libxfce4util4 libxfcegui4-4 libxfce4mcs-manager3 xfwm4 xfprint4 xfce4-utils xfce4-panel xfce4-mcs- plugins xfce4-mcs-manager xfce4 xfce4-cpugraph-plugin xfce4-mixer xfce4-toys xfce4-trigger-launcher xfdesktop4 xffm4 xfwm4-themes
-- File overwrite conflict with ancient version https://launchpad.net/bugs/47903 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs