well this 1 is easy not every one out there has a orig copy of the game
when you go to host if you click on the map options button untill you come up with
[novaworld options then untick the 2 boxes REQUIRE NOVAWORLD LOGIN ]this is the one that is kicking them out.
what name do u goin as and the name of the game u are hosting and ill come in and play
hope this will help