Final Fantasy IV : The complete collection

[Zaprong]

Hello!

I was playing this game and I am on the final dungeon and I accidentally pressed F5 which changes the buffer settings and now it looks screwed up, that it shows up in different colors with everything barely readable.

Is there any way to fix this? I tired all of the buffering setting to no luck, and I was about to beat the game, other save states seem to work fine, but not this one where is almost to the end, Help!