[Newworlds]

The trouble with running a server (which is what a mud is) on a home computer is that your IP is never completely static. Depending on your ISP (Comcast/Qwest/Etc) your router will dynamically assign a new ip periodically, which makes your home mud worthless when you gain a playerbase because you will have to continually post the new IP.

Now to answer your question: Your MUD is likely running, but you are trying to connect to an incorrect IP addy. Try going to an IP identity site and look at the IP it shows you (or ping out from DOS or whatever operating system you are using) and write down the IP. Then log in on that IP. Bingo!