Ensure your emulator is running the firmware version required by the game (v15.0 or higher is generally safe for MHGU).
You will likely see two links. One is the Base Game (v1.0) and the other is the Update (v1.4.0) . You need both for the full experience. monsterhuntergenerationsultimatenspromslab+link
A well-known community repository and website where users share Switch game files (NSPs and XCIs). Link: The direct access point to download the game data. Why Players Look for MHGU NSPs Ensure your emulator is running the firmware version