I go to your google drive link in the OP, click download, it downloads a "injector.rar" file. When I right click this file and select unpack in the 7-zip menu, I get the attached error message.
So I recently bought a second hand Wii U and started using this tool, worked very well the first few times. However, when trying to inject a GC game (Crash Tag Team Racing), an error message appeared (something like not being able to access game.iso) and I was given the choice of ignoring and...
Only thing drive me crazy is all these new horror games nowadays is its so dark, all time. I can't even play them. I understand they trying to create spooky but be creative a little, not just darkness with pop out scare scenes.