In your /etc/apt/soures.list file all references to the official Ubuntu archive have been commented out. You'll need to resolve this before trying the upgrade again. Here's part of what it looks like:
# deb http://hu.old-releases.ubuntu.com/ubuntu/ bionic multiverse # deb-src http://hu.old-releases.ubuntu.com/ubuntu/ bionic multiverse # deb http://hu.old-releases.ubuntu.com/ubuntu/ bionic-updates multiverse # deb-src http://hu.old-releases.ubuntu.com/ubuntu/ bionic-updates multiverse ** 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/1905145 Title: Upgrade from 18.04.4 LTS to 20.04.1 LTS has failed on many occasions To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1905145/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
