need help getting uk online games to work with us browser 2.6

[blasteron2001]

URGENT::Hi i have a uk dreamcast and uk games(genuines)inc pso q3 and chuchu i recently burned the us browser on to a cd and it is way better the the uk dreamkey and i set it up to my free isp(freeserve)The internet works fine but i cant get any online games to work with my own isp settings pso disconnects at connection as does chuchu q3 freezes at authentication.Cananyone help please.Or do i have to get the us versions of the games to play online with my own isp.