[Help with a bug on joiplay]

I had this bug where in the place where you get your starter, the mart there, I wanted to buy some potions but when I did the like the text wouldn't appear. It was just blank, I could still buy the potion. I just wanted to know if there were ways to fix bugs like this? Bugs in general.

 

[Need help, Rm Fps Control is being opened by wine]

So, i have been lagging alot through my entire reborn playthrough, and i finally got fed up, and researched how to fix it. I learned about Rm Fps Control, but it opens on wine(since im on a mac) and i cant have the game AND it open. H e l p.