I think it might have something do with building Mugen, I know like most people, that building Mugen is no walk in the park with dogs and cats singing together. It takes work and effort, from finding files, and managing your space, so that Mugen doesn't run slowly. Mugen is extremely picky, and that Son of o' Hitch will find anyway in the universe possible to crash. Just know that, most of the time Mugen is fun, and people like playing it because you can do anything you choose with it.