Update your Switch firmware (via Daybreak and official servers/AIO tools). Use a tool like to dump your keys again.
If you are using Tinfoil and you know your keys are up to date, the software might be blocking the install because of a signature mismatch (common with translated games or "trimmed" NSPs). Open Tinfoil . Go to Options . Find Install Unsigned Code . the nsp file is missing a programtype nca fix
If a major AAA game is only 100MB, the Program NCA is definitely missing. Update your Switch firmware (via Daybreak and official
Place the new prod.keys file into the /switch/ folder or the specific folder used by your installer (e.g., /tinfoil/ or /goldleaf/ ). Restart your console and try the installation again. Open Tinfoil
When your installer says the "ProgramType NCA" is missing, it means it looked for the core game data and couldn't find it—or, more commonly, it found it but couldn't verify it because your are outdated. Solution 1: Update Your "Prod.keys" (The Most Common Fix)
If transferring via USB, use a tool like TeraCopy to ensure the file integrity wasn't compromised during the move.
An (Nintendo Submission Package) is essentially a container. Inside that container are several NCA (Nintendo Content Archive) files. These include: Program NCA: The actual game code. Control NCA: The icon, game title, and developer info. Legal/Manual NCAs: Metadata and instructions.