joel@joel-laptop:~/ruby/rubygems-0.9.0$ sudo apt-get -f install
Reading package lists... Done
Building dependency tree... Done
Correcting dependencies... failed.
The following packages have unmet dependencies:
  amarok: Depends: libmysqlclient15off (>= 5.0.24-2) but 5.0.22-0ubuntu6.06.2 is installed
          Depends: libnjb5 but it is not installed
          Depends: libsdl1.2debian (>= 1.2.10-1) but 1.2.9-0.0ubuntu2 is installed
          Depends: libusb-0.1-4 (>= 2:0.1.12) but 2:0.1.10a-22ubuntu1 is installed
  amarok-xine: Depends: libxine1 (>= 1.1.2-5) but it is not installed
  kcontrol: Depends: libraw1394-8 but it is not installed
            Depends: libusb-0.1-4 (>= 2:0.1.12) but 2:0.1.10a-22ubuntu1 is installed
  kdesktop: Depends: kdebase-bin (= 4:3.5.5-0ubuntu3) but 4:3.5.2-0ubuntu27 is installed
  konqueror: Depends: kdebase-kio-plugins (= 4:3.5.5-0ubuntu3) but 4:3.5.2-0ubuntu27 is installed
             Depends: kfind (= 4:3.5.5-0ubuntu3) but 4:3.5.2-0ubuntu27 is installed
  krita: Depends: koffice-libs (>= 1:1.5.2) but 1:1.5.0-0ubuntu9 is installed
         Depends: krita-data (> 1:1.5.2) but 1:1.5.0-0ubuntu9 is installed
  kubuntu-desktop: Depends: digikam but it is not installed
                   Depends: hwdb-client-kde but it is not installed
                   Depends: kde-guidance-powermanager but it is not installed
                   Depends: kipi-plugins but it is not installed
                   Depends: xorg but it is not installed
  libfontconfig1-dev: Depends: libfontconfig1 (= 2.3.2-7ubuntu2) but 2.3.2-1.1ubuntu12 is installed
  libqt4-gui: Depends: libmysqlclient15off (>= 5.0.24-2) but 5.0.22-0ubuntu6.06.2 is installed
              Depends: libqt4-core (>= 4.2.0) but 4.1.2-1ubuntu1.1 is installed
              Depends: libqt4-qt3support (>= 4.2.0) but it is not installed
              Depends: libqt4-sql (>= 4.2.0) but it is not installed
  libwxgtk2.6-0: Depends: libwxbase2.6-0 (>= 2.6.3.2.1.5) but it is not installed
  libx11-dev: Depends: libx11-6 (= 2:1.0.3-0ubuntu4) but 2:1.0.0-0ubuntu9 is installed
  libxine-main1: Depends: libxine1 but it is not installed
  sun-java5-plugin: Depends: sun-java5-bin (= 1.5.0-08-0ubuntu1) but 1.5.0-06-1 is installed
  ubuntu-desktop: Depends: apport-gtk but it is not installed
                  Depends: gnome-keyring-manager but it is not installed
                  Depends: gtk2-engines but it is not installed
                  Depends: hwdb-client-gnome but it is not installed
                  Depends: tomboy but it is not installed
                  Depends: totem-mozilla but it is not installed
                  Depends: usplash-theme-ubuntu but it is not installed
                  Depends: xorg but it is not installed
  vlc: Depends: vlc-nox (= 0.8.6-svn20061012.debian-1ubuntu1) but it is not installed
       Depends: libnotify1 (>= 0.4.2) but 0.3.2-0ubuntu4 is installed
       Depends: libsdl-image1.2 (>= 1.2.5) but it is not installed
       Depends: libsdl1.2debian (>= 1.2.10-1) but 1.2.9-0.0ubuntu2 is installed
       Depends: libvlc0 (>= 0.8.6-svn20061012.debian) but it is not installed
       Depends: libwxbase2.6-0 (>= 2.6.3.2.1.5) but it is not installed
  vlc-plugin-arts: Depends: vlc-nox but it is not installed
                   Depends: libvlc0 (>= 0.8.6-svn20061012.debian) but it is not installed
  vlc-plugin-esd: Depends: vlc-nox but it is not installed
                  Depends: libvlc0 (>= 0.8.6-svn20061012.debian) but it is not installed
  xubuntu-desktop: Depends: apport-gtk but it is not installed
                   Depends: gxine but it is not installed
                   Depends: libgoffice-gtk-0-3 but it is not installed
                   Depends: onboard but it is not installed
                   Depends: python-exo but it is not installed
                   Depends: system-config-printer but it is not installed
                   Depends: thunar-archive-plugin but it is not installed
                   Depends: xfce4-dict-plugin but it is not installed
                   Depends: xfce4-notes-plugin but it is not installed
                   Depends: xfce4-smartbookmark-plugin but it is not installed
                   Depends: xorg but it is not installed
E: Error, pkgProblemResolver::Resolve generated breaks, this may be caused by held packages.
E: Unable to correct dependencies