This is similar to #372340, which was left unanswered. However, that bug report was for the upgrade from 8.04 to 8.10, so this may or may not be a duplicate.
Do I need to do anything else? -- "Failed to Add CD" error: Kubuntu AMD64 9.04-9.10 cdromupgrade from ISO not working for Karmic Alternate AMD64 https://bugs.launchpad.net/bugs/478394 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs