> I had the same bloody problem. My Casio E-100 wouldn't let me get past the "ok"
> question, and I asked the author. He said he'd never seen that message, but that
> it was not his version, so I'd have to ask around.
> I just about gave up on running MameCE anytime soon, and then by luck I decided
> to push buttons on the cursor pad until I passed it, or ran out of buttons, and
> it worked.
Sounds like you asked the Author of the original MameCE. If you had asked me (Author of MameCE3) I would have told you to select left then right :)