Hmm, first time seeing this. Is the game running on your GPU and not your integrated one? Does this happen every time? If so, can you send the output.txt log found in the game folder to admin@pathea.net? Thanks.
Answering your question
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and Yes its happend evertime and until now i still cant try / join game complete white screen even i wait to 1 hour still white
If you like you can use my computer use Teamview