I can confirm that version 4:4.4.5-0ubuntu1~lucid1 depends upon libkdecore5, that in turn in not available, breaking "kde-l10n-engb" and "kde-l10n-it".
----- 8< ----- $ cat /etc/apt/sources.list deb http://it.archive.ubuntu.com/ubuntu/ lucid main restricted universe multiverse #deb-src http://it.archive.ubuntu.com/ubuntu/ lucid main restricted universe multiverse deb http://it.archive.ubuntu.com/ubuntu/ lucid-updates main restricted universe multiverse #deb-src http://it.archive.ubuntu.com/ubuntu/ lucid-updates main restricted universe multiverse deb http://security.ubuntu.com/ubuntu lucid-security main restricted universe multiverse #deb-src http://security.ubuntu.com/ubuntu lucid-security main restricted universe multiverse ----- >8 ----- ----- 8< ----- $ sudo aptitude full-upgrade Reading package lists... Done Building dependency tree Reading state information... Done Reading extended state information Initialising package states... Done The following packages are BROKEN: kde-l10n-engb kde-l10n-it 2 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. Need to get 10,2MB of archives. After unpacking 160kB will be used. The following packages have unmet dependencies: kde-l10n-it: Depends: libkdecore5 (>= 4:4.5.0) which is a virtual package. kde-l10n-engb: Depends: libkdecore5 (>= 4:4.5.0) which is a virtual package. The following actions will resolve these dependencies: Remove the following packages: kde-l10n-it Keep the following packages at their current version: kde-l10n-engb [4:4.4.2-0ubuntu6 (lucid, now)] Score is 189 Accept this solution? [Y/n/q/?] ----- >8 ----- ----- 8< ----- $ apt-cache policy libkdecore5 libkdecore5: Installed: (none) Candidate: (none) Version table: ----- >8 ----- ----- 8< ----- $ apt-cache policy kde-l10n-it kde-l10n-engb kde-l10n-it: Installed: 4:4.4.2-0ubuntu6 Candidate: 4:4.4.5-0ubuntu1~lucid1 Version table: 4:4.4.5-0ubuntu1~lucid1 0 500 http://it.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages *** 4:4.4.2-0ubuntu6 0 500 http://it.archive.ubuntu.com/ubuntu/ lucid/main Packages 100 /var/lib/dpkg/status kde-l10n-engb: Installed: 4:4.4.2-0ubuntu6 Candidate: 4:4.4.5-0ubuntu1~lucid1 Version table: 4:4.4.5-0ubuntu1~lucid1 0 500 http://it.archive.ubuntu.com/ubuntu/ lucid-updates/main Packages *** 4:4.4.2-0ubuntu6 0 500 http://it.archive.ubuntu.com/ubuntu/ lucid/main Packages 100 /var/lib/dpkg/status ----- >8 ----- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/696675 Title: kde l10n packages depend on libkdecore5 which doesn't exist -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs