Because it needs to remove important packages: The following packages will be REMOVED: human-theme ubuntu-artwork ubuntu-desktop The following NEW packages will be installed: gtk2-engines-ubuntulooks
Either way, use aptitude ;) $ sudo aptitude install xubuntu-desktop Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initializing package states... Done Writing extended state information... Done The following packages are BROKEN: human-theme The following NEW packages will be installed: a2ps{a} abiword abiword-common{a} abiword-help{a} abiword-plugin-grammar{a} abiword-plugin-mathview{a} abiword-plugins aumix{a} catfish cupsys-driver-gutenprint exo-utils{a} gnumeric{a} gnumeric-common{a} gnumeric-gtk gpicview gtk2-engines-ubuntulooks gtk2-engines-xfce libaiksaurus-1.2-0c2a{a} libaiksaurus-1.2-data{a} libaiksaurusgtk-1.2-0c2a{a} libdiscid0{a} libexo-0.3-0{a} libgda3-3{a} libgda3-bin{a} libgda3-common{a} libgdl-1-0{a} libgdl-1-common{a} libgdome2-0{a} libgdome2-cpp-smart0c2a{a} libglib2.0-data libgoffice-0-6{a} libgoffice-0-6-common{a} libgoffice-gtk-0-6 libgsf-gnome-1-114{a} libgtkmathview0c2a{a} liblink-grammar4{a} libloudmouth1-0{a} libots0{a} libt1-5{a} libtagc0{a} libthunar-vfs-1-2{a} libtunepimp5{a} libxfce4mcs-client3{a} libxfce4mcs-manager3{a} libxfce4util4{a} libxfcegui4-4{a} link-grammar-dictionaries-en{a} listen mousepad mozilla-thunderbird orage psutils{a} python-ctypes{a} python-gnome2-extras{a} python-musicbrainz2{a} python-ogg{a} python-pymad{a} python-pyogg{a} python-pyvorbis{a} python-tunepimp{a} slocate{a} tango-icon-theme tango-icon-theme-common thunar thunar-archive-plugin thunar-data{a} thunar-media-tags-plugin thunar-thumbnailers thunar-volman thunderbird{a} vim-runtime xchat xchat-common{a} xfce4-appfinder xfce4-battery-plugin xfce4-clipman-plugin xfce4-cpugraph-plugin xfce4-dict xfce4-fsguard-plugin xfce4-governor-plugin xfce4-icon-theme{a} xfce4-mailwatch-plugin xfce4-mcs-manager{a} xfce4-mcs-plugins{a} xfce4-mcs-plugins-extra xfce4-mixer xfce4-mixer-alsa{a} xfce4-mount-plugin xfce4-netload-plugin xfce4-notes-plugin xfce4-panel{a} xfce4-places-plugin xfce4-quicklauncher-plugin xfce4-screenshooter-plugin xfce4-session xfce4-smartbookmark-plugin xfce4-systemload-plugin xfce4-terminal xfce4-utils{a} xfce4-verve-plugin xfce4-weather-plugin xfce4-xkb-plugin xfdesktop4{a} xfdesktop4-data{a} xfprint4 xfwm4{a} xfwm4-themes{a} xubuntu-artwork-usplash xubuntu-default-settings xubuntu-desktop xubuntu-docs 0 packages upgraded, 111 newly installed, 0 to remove and 2 not upgraded. Need to get 66.5MB of archives. After unpacking 269MB will be used. The following packages have unmet dependencies: human-theme: Conflicts: gtk2-engines-ubuntulooks but 0.9.12-12 is to be installed. The following actions will resolve these dependencies: Remove the following packages: human-theme ubuntu-artwork ubuntu-desktop Score is 257 Accept this solution? [Y/n/q/?] -- xubuntu-desktop will not install on intrepid due to dependency on gtk2-engines-ubuntulooks https://bugs.launchpad.net/bugs/281966 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs