If your ROM is in an encrypted WUP format (usually a series of .app and .h3 files) and throws an error upon installation or boot, the title keys might be bad. You can use the console-based homebrew tool to download a clean, legally authorized copy directly from Nintendo's network servers using your console's unique credentials. Launch NUSspli on your homebrew-enabled Wii U. Search for LEGO City Undercover . Select your correct geographical region (USA, EUR, or JPN).
Check that your final decrypted folder structure contains three distinct folders: code , content , and meta . Fix 2: Optimize Cemu Emulator Settings lego city undercover rom wii u fixed
The original Wii U version was not without its flaws. The most infamous issue was its , often lasting several minutes and being a common point of complaint from players. Furthermore, when players began to emulate the game on PC using the Cemu emulator, a new set of problems emerged. The Cemu Wiki lists several "Known Issues" for the title, which is likely what users are trying to solve by searching for a "fixed" ROM: If your ROM is in an encrypted WUP
Depending on how you plan to play the game, use one of the following verified methods to fix your broken files. Method 1: Re-Dumping the Game with Disc2app or Dumpling Search for LEGO City Undercover
If loading homebrew directly from an SD card, use a high-quality Class 10 U3 card from a reputable brand to handle the asset streaming speeds.
Confirm the installation and verify that your game version listed in Cemu updates past v0. Fix 4: Clear and Rebuild the Shader Cache
Are you playing on or original Wii U hardware ?
