The new version in Lucid seems to be better and I haven't had this problem anymore. Thanks for your help.
** Changed in: gstreamer0.10 (Ubuntu) Status: Invalid => Fix Released -- Playback error - Internal GStreamer error: pad problem. Please file a bug at http://bugzilla.gnome.org/enter_bug.cgi?product=GStreamer. https://bugs.launchpad.net/bugs/491779 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs