hayabusa@turbo:~$ sudo apt-get -f install
[sudo] password for hayabusa:
Reading package lists... Done
Building dependency tree
Reading state information... Done
Correcting dependencies... failed.
The following packages have unmet dependencies:
 libfontconfig1 : Depends: fontconfig-config (= 2.9.0-7.1) but 2.8.0-3ubuntu9.1 is installed
                  Breaks: libfontconfig1:i386 (!= 2.9.0-7.1) but 2.8.0-3ubuntu9.1 is installed
 libfontconfig1:i386 : Breaks: libfontconfig1 (!= 2.8.0-3ubuntu9.1) but 2.9.0-7.1 is installed
 libfontconfig1-dev : Depends: libfontconfig1 (= 2.8.0-3ubuntu9.1) but 2.9.0-7.1 is installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies
hayabusa@turbo:~$ sudo apt-get remove libfontconfig1
Reading package lists... Done
Building dependency tree
Reading state information... Done
You might want to run 'apt-get -f install' to correct these:
The following packages have unmet dependencies:
 cups-filters : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 flashplugin-installer : Depends: libfontconfig1 but it is not going to be installed
 fluxbox : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 fontconfig : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 gnome-control-center : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 gnome-settings-daemon : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libass4 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libcairo-script-interpreter2 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libcairo2 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libfontconfig1-dev : Depends: libfontconfig1 (= 2.8.0-3ubuntu9.1) but it is not going to be installed
 libgd2-xpm : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libgs9 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libgtk-3-0 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libgtk2.0-0 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libmagickcore4 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libpango1.0-0 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libpango1.0-dev : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
                   Recommends: debhelper but it is not going to be installed
 libpoppler19 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libqtgui4 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libreoffice-core : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libwebkitgtk-3.0-0 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 libxft2 : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 vlc-nox : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 x11-utils : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
 xterm : Depends: libfontconfig1 (>= 2.8.0) but it is not going to be installed
E: Unmet dependencies. Try 'apt-get -f install' with no packages (or specify a solution).
hayabusa@turbo:~$