Most of your error messages are from unofficial repos, only the feisty- security entries are official entries.
-- Feisty to Gutsy some sort of network problem occured during the update https://bugs.launchpad.net/bugs/193574 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
