Description of problem:
Don't know.  Just "using the computer" and the crash notification popped up.

Version-Release number of selected component:
mate-notification-daemon-1.6.1-2.fc19

Additional info:
reporter:       libreport-2.1.12
backtrace_rating: 4
cmdline:        /usr/libexec/mate-notification-daemon
crash_function: g_thread_new
executable:     /usr/libexec/mate-notification-daemon
kernel:         3.13.5-101.fc19.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000
var_log_messages: Mar  4 13:14:54 zamyatin3 abrt-hook-ccpp[20679]: Saved core dump of pid 20677 (/usr/libexec/mate-notification-daemon) to /var/tmp/abrt/ccpp-2014-03-04-13:14:54-20677 (34275328 bytes)

Truncated backtrace:
Thread no. 1 (10 frames)
 #2 g_thread_new at gthread.c:839
 #3 _g_dbus_shared_thread_ref at gdbusprivate.c:306
 #4 _g_dbus_worker_new at gdbusprivate.c:1680
 #5 initable_init at gdbusconnection.c:2640
 #6 g_bus_get_sync at gdbusconnection.c:6882
 #7 dconf_gdbus_get_bus_in_worker at dconf-gdbus-thread.c:184
 #8 dconf_gdbus_method_call at dconf-gdbus-thread.c:242
 #12 g_main_context_iteration at gmain.c:3762
 #13 dconf_gdbus_worker_thread at dconf-gdbus-thread.c:81
 #14 g_thread_proxy at gthread.c:798