Try deleting all files from the CFG folder. See if that helps.

> hi there, I have downloaded the excellent mame for windows ce (I have an iPAQ).
> When I bring up the menu to change the keys I am unable to do anything, except
> for quit the game, bring up the menu and start the game.
>
> This seems weird; I did it once, but now my keys seem locked into position (I
> was playing with setting the pause button).
>
> has this happened to anyone else? I have tried copying the mame file across
> again but it makes no differnece. If I try to jump in something like wonderboy,
> it pauses, then if I jump again it lets me....
>
> thanks for your help
>
> Cameron
>