Could you try updating with another package manager? For example try 'sudo aptitude update' and 'sudo aptitude upgrade' to so we can see if it is a problem with update manager. Thanks in advance.
-- upgrade to 6.10 fails with page fetch failure https://launchpad.net/bugs/83368 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs