Public bug reported: Keeps saying may need to look at broken packages with ppa-purge but no luck. Below web page suggested reviewing the bug report.
https://askubuntu.com/a/811002 ProblemType: Bug DistroRelease: Ubuntu 18.04 Package: ubuntu-release-upgrader-core 1:18.04.40 ProcVersionSignature: Ubuntu 5.4.0-56.62~18.04.1-generic 5.4.73 Uname: Linux 5.4.0-56-generic x86_64 ApportVersion: 2.20.9-0ubuntu7.20 Architecture: amd64 CrashDB: ubuntu Date: Tue Dec 1 22:56:58 2020 InstallationDate: Installed on 2020-04-11 (234 days ago) InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 (20200203.1) PackageArchitecture: all ProcEnviron: LANGUAGE=en_GB:en TERM=xterm-256color PATH=(custom, no user) LANG=en_GB.UTF-8 SHELL=/bin/bash SourcePackage: ubuntu-release-upgrader UpgradeStatus: Upgraded to bionic on 2020-12-01 (0 days ago) ** Affects: ubuntu-release-upgrader (Ubuntu) Importance: Undecided Status: New ** Tags: amd64 apport-bug bionic dist-upgrade -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1906456 Title: Unable to upgrade to 20.04.1 LTS and have tried common fixes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1906456/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs