Going in System | Administration | Software Sources and switching the server to another server helped me. I'm French so I tried out Swiss servers. But it doesn't explain why the cdupgrade from a DVD stops after the dialog giving the list of packages that are not supported anymore.
-- 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