Same here. Happened today (6/10) after I rebooted the system from the command line with CTRL+ALT+DEL while X was still running.
** Attachment added: "crash report" http://librarian.launchpad.net/4684463/_usr_lib_notification-daemon_notification-daemon.1000.crash -- crashed after clicking on crash symbol https://launchpad.net/bugs/58445 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs