I tried this as mentioned in this post (https://askubuntu.com/a/142808/762071) . But nothing seemed to work . This issue might be trivial but I am new to it and I am not able to figure out any solution. Thanks in advance .
** Attachment added: "sources.list" https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1790310/+attachment/5186875/+files/sources.list -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1790310 Title: Cannot upgrade to ubuntu 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1790310/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
