after using update manager and (as required by update manager) rebooting I got this when I tried to install the remaining update: GRUB
-- gnome-settings-daemon crashed with SIGSEGV https://bugs.launchpad.net/bugs/551809 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gtk+2.0 in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs