An incomplete file download or an unstable connection protocol.
Open your title manager, navigate to your game list, and completely delete Monster Hunter Rise along with its updates and DLC (do not delete your save data).
The most common cause of a broken Monster Hunter Rise update is outdated custom firmware. An outdated system cannot parse the cryptographic keys used in newer game patches. monster hunter rise switch nsp update dlc fixed
Ultimate Guide to Monster Hunter Rise on Switch: Fixing NSP, Update, and DLC Errors
If your Switch is running an older system firmware version and you try to install a newer Monster Hunter Rise update, the console will refuse to launch the game. Open your title manager or DBI. An incomplete file download or an unstable connection
The result? A during the "Checking Add-on Content" screen.
and inject your SD card into your computer. An outdated system cannot parse the cryptographic keys
: Use homebrew apps like Tinfoil to install NSP files directly from your SD card.
Install the cumulative update NSP (e.g., the latest patch version containing Sunbreak compatibility).
| Symptom | Cause | Is it "Fixed"? | | :--- | :--- | :--- | | Error 2155-8007 on boot | Missing Sigpatches or bad Base NSP | No (System issue) | | Black screen after language select | DLC list exceeds the game's load buffer (Too many items) | – Needs a trimmed unlocker | | Crash when talking to Senri the Mailman | Corrupt DLC entitlement NSP | Yes – Specifically fixed in v2/v3 unlockers | | "You do not have access to this content" on Sunbreak quests | Missing the 16.0.2 update or wrong region (USA vs JPN) | No – Verify title ID | | Game works, but event quests don't appear | Missing the Event Quest NSP (separate file) | No – Not part of standard DLC |
If your console firmware or signature patches (sigpatches) are outdated, the Switch cannot validate the encryption on newer Monster Hunter Rise updates.
