The following packages have unmet dependencies:
  ubuntu-desktop: Depends: lsb but it is not going to be installed
                  Depends: sound-juicer but it is not going to be installed
                  Depends: totem but it is not going to be installed
                  Depends: ubuntu-quickguide but it is not going to be installed                  Depends: x-window-system-core but it is not going to be installed