I can confirm the same problem on one of my desktops (after the "some support for packages ended" dialog, the update-manager freezes). Let me know if there is any information that I can collect to help debug this.
-- Upgrade to 7.10 hangs at "Modifying the software channels/Checking package manager" https://bugs.launchpad.net/bugs/152296 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs