I suspect you have some packages leftover from a previous release of Ubuntu which require python (as opposed to python3) installed on your system. Could you run the command 'ubuntu-support-status --list | grep Unsupported' and add the output to this bug report? Thanks in advance.
** Changed in: ubuntu-release-upgrader (Ubuntu) Status: New => Incomplete ** Tags added: could-be-python -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1885564 Title: always come system program problem detected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1885564/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs