Update your Nintendo Switch system firmware (Horizon OS) using a homebrew tool like Daybreak . Ensure your Atmosp "The Software Was Closed Because An Error Occurred"

to "bake" the base game and updates into a single consolidated NSP or XCI file before transferring it to your Switch. Common Fixes for Boot Errors

Hold the Minus (-) button while booting the game to disable any active cheats or custom skins. Alternatively, back up your save data using JKSV , wipe the game data entirely, and re-import the save. Optimizing Performance: Emulation and CFW Fixes

For Super Mario Odyssey , you can use either format for the base game. However, , regardless of whether your base game is an XCI or an NSP. Step-by-Step Installation Guide

Updating XCI files is slightly trickier because an XCI update file must match the "trimmed" state of the base game, or you must use an NSP update.

Navigate to your SD card at /atmosphere/contents/ and locate the folder corresponding to Super Mario Odyssey's Title ID ( 0100000000010000 ). Delete or rename this folder to temporarily disable all mods and custom layouts, then try launching the game again. Emulation Optimization (Yuzu / Ryujinx)

remains one of the flagship titles for the Nintendo Switch. For users utilizing custom firmware (CFW) such as Atmosphere, managing this game involves understanding file formats and how to apply updates without corrupting save data or crashing the application.