You have gtk 3.19 from a ppa, seems like the issue is that the function signature changed in that update ... the bug doesn't impact Ubuntu proper yet but is going to once gtk is updated, meanwhile that's an Ubuntu GNOME issue
** Changed in: update-manager (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1548425 Title: update-manager crashed with AttributeError in check_hovering(): 'tuple' object has no attribute 'get_tags' To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/1548425/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs