gnome sound properties

Hello guys!
I have opensuse 11.1, and i am having some issues.
I have installed the one-click install codecs from this address Multimedia - openSUSE-Community, and when finished i can t access to gnome-sound-properties and i am getting this error

fabio@linux-0wy6:~> gnome-sound-properties

(gnome-sound-properties:16963): GLib-GObject-CRITICAL **: g_param_spec_internal: assertion `(name[0] >= ‘A’ && name[0] <= ‘Z’) || (name[0] >= ‘a’ && name[0] <= ‘z’)’ failed

ERROR: Caught a segmentation fault while loading plugin file:

Please either:

  • remove it and restart.
  • run with --gst-disable-segtrap and debug.
    Error re-scanning registry , child terminated by signal

What can i do to solve this problem: