that's a codecs issue and as said works fine on karmic, please try to reproduce the same with a karmic live cd or installation and comment back, thanks.
** Changed in: gstreamer0.10 (Ubuntu) Status: New => Incomplete -- Unable to play downloaded youtube videos https://bugs.launchpad.net/bugs/438203 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