Exist _top_ | Hactool Prod.keys Does Not

The "hactool [WARN] prod.keys does not exist" error occurs when the tool cannot locate the necessary cryptographic keys, which must be dumped from a Nintendo Switch using Lockpick_RCM. Fixing this requires placing the prod.keys file in a specific .switch folder or explicitly defining the key path using the -k argument. For more details, visit GBAtemp.

Mistake 2: File is named prod.keys.txt

Cause: Windows hides file extensions by default. You may have created a text file named prod.keys.txt without realizing it. hactool prod.keys does not exist

• A Windows, Linux, or macOS computer – Hactool is cross-platform.
• Hactool installed – Download the latest release from GitHub (SciresM/hactool).
• Access to a Nintendo Switch (for dumping your own keys – the legal and recommended method).
• Basic command-line familiarity – Knowing how to navigate directories in CMD, Terminal, or PowerShell.

hactool: error: prod.keys does not exist

Or, to check the header of an NCA file:

Solution 2: Place the File in the Default Location

Hactool (and related tools like nsz or hactoolnet) looks for the keys file in a specific directory by default. If you place the file randomly on your desktop, the tool won't find it unless you manually tell it where to look (see Solution 3). The "hactool [WARN] prod

⚠️ Do not download prod.keys from the internet — it’s copyrighted and may contain malware or get you banned. A Windows, Linux, or macOS computer – Hactool

1. Missing File: You haven't obtained a prod.keys file at all.
2. Wrong Location: You have the file, but it's not in the directory where hactool expects it.
3. Incorrect Naming: The file is named slightly differently (e.g., prod key.txt or prod.keys.txt).