I can confirm this bug on a brand-new install of 12.04. The files of /var/lib/apt/lists/ all seem to contain the text about logging in from the proxy server. Clearing out this directory solves the problem.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/346386 Title: [MASTER] Update fails with invalid package files with "Encountered a section with no Package: header" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/346386/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
