[Grogwort]

Success!

Checked my hosts file and found that I still had localhost mapped to an IP of another system on my local network that I was using for testing a server on, but haven't used for a long time.

So I changed localhost back to 127.0.0.1 in my hosts file.
Uninstalled 2.0.12-Alpha.
Re-installed 2.0.11b-beta.
Launched Minion and no error!

Thanks!