Version-Release number of selected component:
mate-notification-daemon-1.6.0-2.fc19

Additional info:
reporter:       libreport-2.1.5
backtrace_rating: 4
cmdline:        /usr/libexec/mate-notification-daemon
crash_function: g_type_check_instance_cast
executable:     /usr/libexec/mate-notification-daemon
kernel:         3.9.9-302.fc19.x86_64
runlevel:       N 5
uid:            1000
var_log_messages: Jul 25 08:37:54 pcmol abrt[1294]: Saved core dump of pid 1264 (/usr/libexec/mate-notification-daemon) to /var/tmp/abrt/ccpp-2013-07-25-08:37:53-1264 (21024768 bytes)
xsession_errors: 

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 g_type_check_instance_cast at gtype.c:4027
 #1 gdk_x11_screen_get_screen_number at gdkscreen-x11.c:607
 #2 get_work_area at stack.c:69
 #3 notify_stack_shift_notifications at stack.c:267
 #4 notify_stack_remove_window at stack.c:373
 #9 gtk_object_dispose at gtkobject.c:421
 #11 _notify_timeout_destroy at daemon.c:149
 #12 g_hash_table_foreach_remove_or_steal at ghash.c:1412
 #13 g_hash_table_foreach_remove at ghash.c:1456
 #14 _check_expiration at daemon.c:741