I have the gstreamer bad plugins, I tried right clicking on the videos in the plugin and doing copy location. Then putting that location in Movie -> Open Location. It gave me the following more descriptive error:
"ffdemux_swf: Element doesn't implement handling of this stream. Please file a bug." -- [Hardy] Youtube Plugin can't play video https://bugs.launchpad.net/bugs/191760 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