i have the same problem since updating my ubuntu today: #:~$ mozilla-thunderbird GTK Accessibility Module initialized DOUBLE-CLICK: 400 --> -1 THRESHOLD: 8 --> -1 (Gecko:9799): GLib-GObject-WARNING **: gsignal.c:1019: unable to lookup signal "activate" of unloaded type `MaiAtkObject'
(Gecko:9799): GLib-GObject-CRITICAL **: g_signal_emit_valist: assertion `signal_id > 0' failed Segmentation fault (core dumped) see also: https://bugzilla.mozilla.org/show_bug.cgi?id=369999 -- Crash on startup https://launchpad.net/bugs/75286 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs