Thanks for your bugreport. the commands you run clean "DISPLAY" and XAUTHORITY. This means that no X application is able to start. I will close the bugreport now, if you disagree we can make it a low priority one against gtk (that it should provide a more meaningful error message).
Cheers, Michael ** Changed in: update-manager (Ubuntu) Assignee: (unassigned) => Michael Vogt Status: New => Won't Fix -- Update-manager failed when executed as root but runs OK when invoked with sudo https://bugs.launchpad.net/bugs/131728 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