Good to know that Microsoft is taking steps to save people from playing shitty games.
well, it would be good if this were true but they actually want you to play their shitty games only.
So i just got a new computer and it has Windows 11 now when i try to fire up the CoC2 app it says i need a app for that is there something special i need for Win 11 i was running off XP before.
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now back to the question, I have no idea what is the programming language of this game, so I don't know what kind of app you need to execute this, but by look into the files I found something about electron so for this case you have 3 possibles problems:
1 - Update your drivers, if this game is made with C++ you probably need to update it the C++ drivers.
2 - Download python compiler, if this game is made with python you probably need the compiler for this language, if you already play any ren'py games in this PC and the same problem didn't appear you aren't in this case.
3 - Download google chrome, from all the problems above this one look the most impossible to be the case, but electron uses Chromium so maybe it need some google chrome tool to work.
if none of then works, sorry I probably didn't help.