: You must have the latest signature patches (SIG patches) installed in your Atmosphere folder.
For a clean installation that avoids "Unable to Start Software" errors, follow these steps:
: Place your base Mario vs. Donkey Kong NSP and the update NSP (e.g., v1.0.1) in a designated folder on your SD card, such as /games or /install . mario vs donkey kong switch rom nsp update work
: Always boot using the Fuse-primary payload rather than Hekate to avoid "corrupted data" errors during installation.
: Once the base game is finished, select the update NSP and install it. Tools like Tinfoil often allow you to select both files simultaneously to automate this. : You must have the latest signature patches
: Launch a reliable installer like Tinfoil or Goldleaf. Navigate to your base NSP and select Install .
If the game refuses to launch or the update won't "take," consider these common fixes: : Always boot using the Fuse-primary payload rather
: Return to the Home Menu. Highlight the game icon and press + to check the version number. It should reflect the update you just installed. Troubleshooting Common Issues
Before starting, ensure your system is prepared to handle the installation: