Posted December 23, 2017
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I'm running Windows 8.1 64bits and I got the same "abnormal" exception. To me, the Windows buit-in "run compatibility troubleshooter" under the properties of nwmain.exe file fixed it.
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It works for me if i set "windows xp (service pack 2)" under compatibility tab for "nwmain.exe and nwloader.exe (not sure if the second one is necessary though).
Then open the game by double-clicking on the "nwmain.exe" instead of using the "play" button on GOG Galaxy (for those using that, like me)