If it still isn't working, check these common mistakes:
hactool is a command-line tool for decrypting and inspecting Nintendo Switch file formats (NCA, NRO, XCI, etc.). It requires a valid prod.keys file containing cryptographic keys extracted from a real console. The error prod.keys does not exist occurs when hactool cannot find this keyfile in the expected location. hactool prodkeys does not exist fixed
If you are in a hurry and just want to test one file, use: If it still isn't working, check these common