However, for many newcomers, the setup process hits a sudden wall. You download your legally dumped ROMs, point Citra to the folder, and instead of a game list, you are met with a cryptic error: "Missing AES Keys." Or worse, the game loads to a black screen.
C:\Users\ \AppData\Roaming\Citra\sysdata\ . Android: Internal Storage/citra-emu/sysdata/ . macOS: ~/Library/Application Support/Citra/sysdata/ . Citra Aes-keys.txt