Nothing in the menus is staying ticked or selected

[MochaMoa]

I've been playing on the PJ64 for the past week, on a daily basis (in my spare time) but only when I booted it up today was there an issue. I couldnt select cheats, change settings, change options, or anything. When I'd try to change them, they'd simply clear themselves as soon as I clicked Apply or exited the window. I've tried shutting it down and opening it back up again, but the problem persist. How can I fix this?