Hello Brian, this works perfectly, many thanks for your support.
JM Le 07/10/2020 à 17:45, Brian Murray a écrit : > This is likely because your /etc/apt/sources.list file only contains > entries for main and restricted. You are missing entries for universe > and possibly multiverse. Please enable universe and try the upgrade > again. > > ** Changed in: ubuntu-release-upgrader (Ubuntu) > Status: New => Incomplete > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1898092 Title: Impossible to upgrade from previous LTS to last one To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1898092/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs