I don't know, but this sounds a bit like bug #421208: also rhythmbox stopped working...
in the hope it may help, I ran the same command gst-launch-0.10 --gst-debug-level=5 2> ~/err.log and the error log ends in a similar way: 0:00:02.079626000 8073 0x100171a8 LOG GST_REFCOUNTING gstobject.c:293:gst_object_init:<[EMAIL PROTECTED]> 0x10082740 new 0:00:02.080641000 8073 0x100171a8 LOG GST_PLUGIN_LOADING gstplugin.c:594:gst_plugin_load_file: Plugin 0x10082740 for file "/usr/lib/gstreamer-0.10/libgstffmpeg.so" prepared, calling entry function... 0:00:02.080820000 8073 0x100171a8 LOG GST_PLUGIN_LOADING gstplugin.c:601:gst_plugin_load_file: Plugin 0x10082740 for file "/usr/lib/gstreamer-0.10/libgstffmpeg.so" prepared, registering... 0:00:02.080930000 8073 0x100171a8 LOG GST_PLUGIN_LOADING gstplugin.c:335:gst_plugin_register_func: plugin "/usr/lib/gstreamer-0.10/libgstffmpeg.so" looks good 0:00:02.084281000 8072 0x100171a8 DEBUG GST_INIT gst.c:860:ensure_current_registry_forking: parent waiting on child 0:00:02.085799000 8072 0x100171a8 DEBUG GST_INIT gst.c:862:ensure_current_registry_forking: parent done waiting on child 0:00:02.085980000 8072 0x100171a8 ERROR GST_INIT gst.c:865:ensure_current_registry_forking: child did not exit normally, terminated by signal Mario -- Linux: Where do you want to GO... Oh, I'm already there! -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]