I'm having the same problem, but to any package I need to install or upgrade. I follow the tips in http://ubuntuforums.org/showthread.php?t=352766, to run fsck, but after that I still have the problem.
(Reading database ... dpkg: serious warning: files list file for package `myspell-pt' missing, assuming package has no files currently installed. dpkg: error processing /var/cache/apt/archives/app-install-data-commercial_7.3_all.deb (--unpack): unable to open files list file for package `vino': No such device or address Errors were encountered while processing: /var/cache/apt/archives/app-install-data-commercial_7.3_all.deb Processing was halted because there were too many errors. E: Sub-process /usr/bin/dpkg returned an error code (1) -- xserver-xorg broken packaged in update-manager (26/04) https://bugs.launchpad.net/bugs/41605 You received this bug notification because you are a member of Ubuntu Bugs, which is a direct subscriber. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs