I hav this problem.When ever i try to make a server that is dedicated to internet it always shuts down leaving a yellow box saying sending heartbeats to.... anyway plz help,what should i do when the box shows up.Really want to play in my own server.

A dedicated server is one that you run for someone else. You can't play on a server you dedicate (unless you use a different computer).

If you want to play, then either join an existing server that looks good (recommended), or start your own online (not 'DEDICATED')(not recommended). If you start your own, then it will be very laggy for other players, as you are taking up twice the internet connection space (sending Server data, and recieving it back again).

If you want to run a dedicated server for other people, then it will leave the yellow box, in which you can type and see all commands and text for that server. You are also made the admin, so you can activate cheats and change certain options (such as gravity). But you cannot play it.

I hope I made that clear enough .