I used various software on wii u, like vwii decaffeinator to hack the wii menu but now it won't wonk and when I launch a wii game this is what happens :
How to Make Your Wii U Useful Again With Homebrew
How to Hack Wii U Homebrew & Play Games on Wii U [Full Guide] - MiniTool Partition Wizard
How to Softmod Your Wii (4.3) U/E/K/J : 4 Steps - Instructables