If you used a tool like NNDirect or DBI to dump the game, try re-dumping the file using DBI’s "MTP Responder" mode, which is generally considered the most stable method. Solution 4: Use a Different Installer
Sometimes, the file you downloaded or dumped is compressed into an format, but the extension was manually renamed to .nsp . Alternatively, the file may have been corrupted during the transfer to your SD card. How to fix it:
It’s a frustrating roadblock, especially when you’ve spent time dumping your files. The good news is that this isn't usually a sign of a "broken" console; rather, it’s a specific metadata mismatch. What Does This Error Actually Mean? the nsp file is missing a programtype nca fix
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.
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. If you used a tool like NNDirect or
Enter the Konami Code (Up, Up, Down, Down, Left, Right, Left, Right, B, A, Plus). Set this to .
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 . How to fix it: It’s a frustrating roadblock,
Update your Switch firmware (via Daybreak and official servers/AIO tools). Use a tool like to dump your keys again.
Some installers are more sensitive to metadata errors than others. If Goldleaf is giving you the "ProgramType NCA" error, try using .
By ensuring your system has the latest keys and using a modern installer like DBI, you can almost always bypass the "Missing ProgramType NCA" error and get back to gaming.