igi2 big trouble

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hi all im german i hope you can understund me!

i never bekom igi2 mp player to run!

my prob:
i create new game ...ok i go with another pc online start igi2 i browse internet servers but nothing can my server see it is not in the list !

my prob 2:
please typ here ip and port for manualy connect ......ok but error messages comes : server does not found !!

i have nothing more ideas !
i hope everyone can help me !!