It looks a little bit like you were trying to upgrade to a newer release that does not support your hardware. Take a look at this table for a guide of supported architectures: https://wiki.ubuntu.com/SecurityTeam/FAQ#Architectures
Thanks ** Information type changed from Private Security to Public -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1810188 Title: missing core components To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1810188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
