It's problem in the sources.list. Because he had done an upgrade from dapper -> edgy -> feisty and the list was all messed up.
-- Updating System https://bugs.launchpad.net/bugs/105237 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list [EMAIL PROTECTED] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs