Here’s a review you can use (adjust star rating and context as needed):

Are you trying to install an update/DLC or are you trying to add a base game to your library?

7. Re-Install CEMU and Games (If Necessary)

In Cemu's terms: When you click "File" > "Load Game," Cemu looks for a valid meta.xml file inside the folder you select. If it can't find one, it throws the error and refuses to boot.

“Unable to find meta.xml”

A healthy extracted Wii U game/update folder should look like this: [Game Name] (contains game assets) iconTex.tga bootTvTex.tga Are you trying to install an update/DLC , or are you just trying to get a to show up in your list?

3. Locate meta.xml