Step one. On your control panel stop your server.

Step two. Click the steam update icon.

Wait for the process to finish.

Step three. Click on configuration files.

Adjust these files to your liking.

Step four. This step might not be necessary with every game.

Click on command line manager and select the correct command line for your desired process(modded,not modded).

Step five. Click start server.

Your server should now be up and running.