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I installed de game with no problem and I have been playing for two hours couple weeks ago, but now when I click play button a message apears wich says: "Failed to load config file". Furthermore, if i try to play with other user in the same computer it works. What can I do? I have reinstalled it twice but continuous the same problem.
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Quoting from here:

This might happen if the config gets corrupted. Delete the _user_keys.cfg and _user_settings.cfg in Documents\My Games\SOMA\Main

You might have to setup your graphics and keybinding again, but you wont have to reinstall the game.