> I have been unable to get a working copy of Ninja Gaiden. I've tried probably 5 > different places. But it doesn't work in Mame. I looked at it in Romcenter, and it > says it's fine and not missing any files. But when I try it in MAME, it says that one > or more roms or CHD files are missing. But not according to romcenter.
Then stop using Romcenter if it doesn't show you what is missing. Clrmamepro will show you what is missing. I promise that.