This was already fixed in Debian[1]. The package from Squeeze additionally has a fix for vimeo.com. I would suggest to just backport the clive_2.2.13-5 from Debian Squeeze if somebody wants to fix this in Ubuntu Maverick.
[1] <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606540> ** Bug watch added: Debian Bug tracker #606540 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606540 ** Also affects: clive (Debian) via http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=606540 Importance: Unknown Status: Unknown -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/716468 Title: "error: Unknown error (http/404)" on Youtube (patch included) -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs