> 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.
The missing files help has ended. You are on your own.