Try this sources.list file its the same as yours only using great briten instead of us. the us repos have been known to be slow and have issues.
** Attachment added: "sources_list.txt" http://launchpadlibrarian.net/8102590/sources_list.txt -- [gutsy]gnash 0.8.0 will not play youtube, auto codec installation not working, other videos not working https://bugs.launchpad.net/bugs/120621 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
