Thanks for your inputs Michael. I have attached the o/p you requested. I am trying to upgrade my home PC and I am pretty sure that I have not enabled any proxy or firewall here in my home network (at least knowingly).
Please let me know if you need any further info. ** Attachment added: "Output for "$ head /var/lib/apt/lists/*main*Package*"" https://bugs.launchpad.net/ubuntu/+source/update-manager/+bug/631426/+attachment/1673567/+files/packages -- Upgrade 10.04 -> 10.10 failed due to "the essential package 'ubuntu-minimal' can not be found anymore" https://bugs.launchpad.net/bugs/631426 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