C8 Error when Friend tries to join

Hey guys...
I setted up my own pserver all working fine..
did a static ip over dns... sended my friend the client including the edx loader..
Client just opens Server State is Easy everything works fine..

I created a account in my mysql database.. but he gets C8 Error >.<

Where is the damn problem >.<?

and is there a way to translate the vietnamese thingies into english? the font is quite weird.

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ok first of all you can only get the (C8) error by Launching the SRO_Client.exe instead of the Silkroad.exe , tell him to just use that one and you will be fine :)