User blog comment:PlasmoidThunder/The Handy-Dandy, Fancy-Dancy Super Animation Ripping Tutorial!/@comment-25910367-20150709154000/@comment-3495717-20150709155507

You absolutely sure those functions aren't what happen when you press the key in conjunction with Fn? If for whatever reason those are the default behaviours of those keys, then you wouldn't be able to take screenshots from MUGEN anyway, thus preventing this whole method from working.