I am not sure if you have seen the sticky message so I will quote the post below but it seems to be a different issue.
You can still try to see if a system update is needed on the console:
eanajat wrote:
- Game locking up on my Wii U™ console when I hit the ‘home’ button
There is a known issue that can cause the game to lockup when the display output is set to 576i and the ‘home’ button is pressed.
To fix this issue please download the latest firmware updates available for Wii U ™ or select a lower resolution.To learn more about the Wii U ™ system updates, visit the Nintendo web site:
