Fixed it,
in data/GlobalSettings.csv:
had 7;Screen Mode
changed that to 1;Screenmode and then started and switched to another screenmode.

<t> I'm getting out-of-sync from my monitor when starting the game after installing on Windows 7 with 1.81 patch. I didn't start the game until running the patch, could this break stuff?<br/>
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Is there any commandline switches or config files I could use to force windowed mode?<br/>
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I ...