If Citra still won't launch the game, your keys might be old. Re-dumping them from your 3DS with the latest scripts usually solves this. Alternative:
If you try to play a 3DS game on Citra without the AES Key.txt file, you'll likely encounter an error message indicating that the game cannot be decrypted. In some cases, Citra may also crash or fail to load the game. citra aes keystxt top
Once you have the text file, you must place it in Citra's folder. The location varies by operating system: Windows : C:\Users\[Your_User]\AppData\Roaming\Citra\sysdata If Citra still won't launch the game, your keys might be old
If your games still won't load, many users recommend using instead, which do not require an aes_keys.txt file at all. In some cases, Citra may also crash or fail to load the game
If you’ve finally downloaded that 3DS classic you’ve been dying to play, only to be met with a frustrating error about "encrypted" files, you’re not alone. The Citra emulator