Cannot login to server

[vicros92]

Hi. Was wondering if this is still active. First off, nice tutorial; it was easy to follow.
I have encountered a problem whilst trying to run MS from localhost.exe
Every time shortly after the intro, the program immediately shut down before I can see the login screen and I'm presented with this error:
As far as I know, the server is up and running:

Any advice on how to proceed?
Thanks in advance, should anyone sees this.