There was some leftover process holding the lock to the config.dat file, which made this fail. Does it still complain after a reboot?
** Package changed: xserver-xorg-video-ati (Ubuntu) => dpkg (Ubuntu) ** Changed in: dpkg (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/719322 Title: package x11-common 1:7.5 5ubuntu1 failed to install/upgrade: il sottoprocesso nuovo script pre-installation ha restituito lo stato di errore 1 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs