i don't think it's related specially to "gdm" package line in /var/lib/dpkg/status. look
https://answers.launchpad.net/ubuntu/+source/synaptic/+question/10208 i think it's related to /var/lib/dpkg/status corruption, obviously during file overwriting. -- update-manager - Problem parsing dependency Pre-Depends https://bugs.launchpad.net/bugs/111681 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
