(gnome-settings-daemon:1456): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed (polkit-gnome-authentication-agent-1:1550): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed (nautilus:1554): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:1554): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed (nautilus:1554): GdkPixbuf-CRITICAL **: gdk_pixbuf_format_get_name: assertion `format != NULL' failed (polkit-gnome-authentication-agent-1:8767): GLib-CRITICAL **: g_once_init_leave: assertion `initialization_value != 0' failed