Well... I have a hunch that it has something to do with python-apt package specifically the newest BaseURI vs. BaseURI-architecture implementation
I changed the file /usr/share/python-apt/templates/Ubuntu.info and modified the following section as listed below: Suite: hardy-security ParentSuite: hardy RepositoryType: deb BaseURI-amd64: http://security.ubuntu.com/ubuntu MatchURI-amd64: archive.ubuntu.com/ubuntu|security.ubuntu.com BaseURI-powerpc: http://ports.ubuntu.com/ MatchURI-powerpc: ports.ubuntu.com/ubuntu Description: Important security updates Basically, I changed BaseURI to BaseURI-amd64 (my Ubuntu architecture), now it works. Looks like BaseURI-arch is working better than BaseURI :) ** Also affects: software-properties Importance: Undecided Status: New ** Also affects: python-apt (Ubuntu) Importance: Undecided Status: New -- Checking security repository in Updates adds deb line to Third-Party Software https://bugs.launchpad.net/bugs/244093 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