Description of problem:
Nautilus is freezing when trying to burn cd-image (Write to Disk).

Version-Release number of selected component (if applicable):
nautilus-3.6.3-4.fc18.x86_64
brasero-nautilus-3.6.1-2.fc18.x86_64

How reproducible:
Always

Steps to Reproduce:
1. Go to location where the cd-image are in
2. Right-click the cd-image -> Write to Disk
3. Nautilus freezes

Actual results:


Expected results:


Additional info:

$ nautilus
(nautilus:18211): GLib-GObject-WARNING **: cannot register existing type `GstObject'

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-CRITICAL **: g_type_register_static: assertion `parent_type > 0' failed

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-CRITICAL **: g_type_register_static: assertion `parent_type > 0' failed

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-CRITICAL **: g_object_new: assertion `G_TYPE_IS_OBJECT (object_type)' failed

(nautilus:18211): GStreamer-CRITICAL **: gst_object_ref: assertion `object != NULL' failed

(nautilus:18211): GStreamer-CRITICAL **: gst_allocator_register: assertion `allocator != NULL' failed

(nautilus:18211): GStreamer-CRITICAL **: gst_object_ref: assertion `object != NULL' failed

(nautilus:18211): GLib-GObject-WARNING **: cannot register existing type `GstFormat'

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-WARNING **: cannot retrieve class for invalid (unclassed) type `<invalid>'

(nautilus:18211): GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed

(nautilus:18211): GLib-GObject-CRITICAL **: g_boxed_type_register_static: assertion `g_type_from_name (name) == 0' failed

(nautilus:18211): GLib-CRITICAL **: g_once_init_leave: assertion `result != 0' failed
Sense key: 0x70 0x00 0x05 0x00 0x00 0x00 0x00 0x0a 0x00 0x00 0x00 0x00 0x2c 0x00 0x00 0x00 0x00 0x00 0x00 
^C