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Looking at the messages, one issue appears to be a 3rd party xenial package - mysql-community-client 5.7.21-1ubuntu16.04 , as that package is preventing install of focal (20.04) packages. Unofficial software packages not provided by Ubuntu should be removed prior to upgrade, the upgrade performed, then if needed, the 3rd party packages returned (or versions appropriate for your new release) to avoid issues with your upgrade. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1931762 Title: Error upgrading distro To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1931762/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs