When you play the game normally, the game engine reaches into datap.bar to grab the assets it needs. Without this file, Age of Empires 3 is just an empty shell. A missing or corrupted datap.bar typically results in the game crashing instantly on launch or getting stuck at a black screen.
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Double-click it and change the value to the where your game is currently installed (e.g., C:\Games\Age of Empires III\bin ). 2. Run as Administrator and Compatibility Mode When you play the game normally, the game