Hey there buddy, ok since you have the loadiine copy you need to make sure you run the kernel10 first, then GX2, and in settings of GX2, enable PyGecko, and then run XBX, when you launch the game, go in solo mode, and then you type in the address of your WIIU in the box and try to connect, it should work.
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Misledz
Safo
When you say launch XCX, you mean completely exit from Loadiine right? because when I close it, it launches Mii Maker, from there I click home and launch my disc?