(nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed (nautilus:2644): GConf-CRITICAL **: gconf_value_free: assertion `value != NULL' failed