"The NSP file is missing a Program-type NCA" typically occurs when an emulator or console tries to launch a file that is not a standalone "base game," but rather a supplemental file like an Core Cause: Launching the Wrong File
In the Nintendo Switch file system, an NSP (Nintendo Submission Package) contains multiple NCA (Nintendo Content Archive) files. A playable game must contain a Program-type NCA , which holds the main executable code Update/DLC Files: These NSPs often only contain Patch-type
NCAs. They lack the "Program" component because they are designed to be applied to an existing base game, not run independently Detection Errors: Tools like Steam ROM Manager
may accidentally scan and link to an update file (often labeled with "upd" or "v[number]") instead of the base game file Common Fixes Point to the Base Game: Ensure your emulator (e.g.,
) or shortcut is pointing to the primary base game NSP, not the update or DLC file Install Updates to NAND:
In emulators, do not try to "launch" an update NSP directly. Instead, use the "Install to NAND"
(or "Install files to NAND") option to merge the update into the emulator's system, then launch the base game Check for Corruption:
If the error occurs on a file you believe is the base game, it may be a "bad dump" or corrupted during transfer. Users on
suggest re-acquiring the file from a different source or using instead of to extract multi-part archives Update Sigpatches: For hardware users, missing or outdated Signature Patches (sigpatches) the nsp file is missing a programtype nca upd
can prevent the system from properly recognizing the NCA contents, leading to "Invalid NCA" errors Rename Files:
In some cases, overly long filenames or special characters can cause pathing issues. Try shortening the filename to just the game title Are you encountering this error on a Steam Deck , or are you working directly with Switch hardware The NSP file is missing a Program-type NCA. : r/EmuDeck 16 Jan 2024 —
solved the issue by placing the main game into installing them by Yuzu > File > Install to NAND. The NSP file is missing a Program-type NCA. : r/EmuDeck 16 Jan 2024 —
The error "The NSP file is missing a Program-type NCA" (often Error 0007-0034) typically occurs when an emulator or console tries to launch a file that lacks the core executable game data. This usually happens because the system is attempting to "run" an update or DLC file rather than the base game itself. Common Causes
Targeting the Wrong File: Many automated tools, like Steam ROM Manager on Steam Deck, may incorrectly identify and link to an update NSP instead of the base game.
Incomplete or Corrupt Files: The file might be missing critical data due to a bad download or a failed extraction.
Extraction Errors: Using outdated software like older versions of 7-Zip can lead to "data errors" when handling multi-part files, resulting in a missing Program-type NCA. Troubleshooting & Solutions Isolate Updates and DLC:
Move all update and DLC NSP files out of your main ROMs folder into a separate subdirectory. "The NSP file is missing a Program-type NCA"
Point your emulator (e.g., Yuzu or Ryujinx) or ROM manager specifically to the base game NSP. Verify the File Source:
Ensure you have the full base game file. Update and DLC files are much smaller and do not contain the "Program-type NCA" needed to launch the game.
If the file is corrupt, try re-downloading it from a verified source or using WinRAR instead of 7-Zip for extraction. Check Sigpatches (For Modded Consoles):
If using a modded Nintendo Switch, ensure your Sigpatches are up to date to allow the system to recognize and install the NCA files correctly.
Some users fix this by adding KIP1PATCHES=nosigchk to their hekate_ipl.ini file in the bootloader folder. Install via Emulator Directly:
Instead of launching from a shortcut (like Steam), open your emulator first and then install the update/DLC via File > Install to NAND. The NSP file is missing a Program-type NCA. : r/EmuDeck
Here’s a concise, solid guide to resolve the “NSP file is missing a ProgramType NCA (upd)” error—typically encountered when trying to install or open a Nintendo Switch NSP file (especially an update .nsp).
Some large games (e.g., The Legend of Zelda: Breath of the Wild or The Witcher 3) are split into multiple NSP parts. If you only download part 1 of a 3-part update, the installer will look across all parts for the ProgramType 2 NCA. If the specific NCA resides in a missing part, you will get this error. Cause #2: Corrupted or Incomplete Multi-Part NSP Files
If you see the error "The NSP file is missing a programtype NCA UPD," follow these steps in order. Do not skip the diagnostic phase.
To understand the error, let's break down the terminology:
When your installer says "the NSP file is missing a programtype nca upd," it means the file you are trying to install is labeled or structured as an Update (UPD) , but it does not contain the necessary Program NCA (the base executable code). An update file is designed to overwrite or supplement an existing base game; it cannot function alone.
The most frequent cause is user error during file conversion or downloading. You might have downloaded a file named SuperGame[v1.2.0].nsp, but internally, the NSP’s metadata (the tik file) claims this is an update package. Inside, however, only ProgramType 1 (Base game) NCAs exist.
The mismatch: The ticket says “I am an update,” but the content says “I am a base game.” The installer aborts.
If you see this error in Ryujinx or Yuzu:
File > Load Application Package. Instead of loading the update NSP directly, load the base NSP first. Then, in Ryujinx, right-click the game > Manage Updates > Add and select the update NSP.File > Install Files to NAND.If you only have an update file, yuzu/ryujinx cannot launch it. You must acquire the base game.