Xavier - do you happen to have the /etc/apt/sources.list.d/ubuntu.sources that was on your machine for the failed upgrade attempt?
** Also affects: python-apt (Ubuntu Mantic) Importance: Undecided Status: New ** Also affects: ubuntu-release-upgrader (Ubuntu Mantic) Importance: Undecided Status: New ** Changed in: python-apt (Ubuntu Mantic) Importance: Undecided => High ** Changed in: ubuntu-release-upgrader (Ubuntu Mantic) Importance: Undecided => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2047447 Title: No valid source.list found while upgrading from mantic to noble To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/2047447/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs