FIXING ERRORS
If it says anything like "ERROR: could not load main configuration file" just go to your finder, library, application support, frictional games, amnesia, then copy whatever the error file name is and paste it to your desk top. after that delete the main file, then delete the copy. restart the amnesia application and it will replace the file you deleted with a new one. The freezing problem every now and then is unfixable. All you have to do is hold down the power button and retry. happens to me all the time. Hope this helps.
Great game.
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Amnesia: The Dark Descent