Thank you very much, i figured it out - switched to 4K, deleted the config and restarted, causing it to open in a 3840*1280 full-screen, then...
HD up to 4K The game opens in what looks like 1920*480 full-screen mode, but then immediately forces the registration screen on you, which does...
Per title - upon first launch the game switches to a full-screen resolution too small to display the registration form, which you thus cannot pass...
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