Pkg2 Read Failed Failed To Launch Hos 2021 May 2026

The error message "pkg2 read failed failed to launch HOS" (Horizon OS) is a common fatal error encountered by Nintendo Switch users running custom firmware (CFW) like Atmosphère or the Hekate bootloader. It typically indicates a communication breakdown between the console's hardware (eMMC) and the software stored on your SD card. Common Causes of the Error

1. Backup your switch folder (for save data and homebrew).
2. Delete the following folders from your SD card root:

   Last updated: 2025 – Compatible with Atmosphere 1.7.0+ and HOS 19.0.0+ pkg2 read failed failed to launch hos

   [Atmosphere CFW] payload=bootloader/payloads/fusee.bin icon=bootloader/res/icon_payload.bmp The error message "pkg2 read failed failed to