Does the computer you are attempting to upgrade have a proxy server between it and the internet? Say like a workplace firewall/proxy?
-- Getting Upgrade prerequisites failed https://bugs.launchpad.net/bugs/155922 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs