Final Fantasy Hacktics

hey! I need a little help. Someone via tumblr. sent me a link for a patch to add the WoTL translation to the PSX version of Tactics. Problem is it's giving me weird glitches in battle and re-naming some of the skills. I wanted to undo the patch but it won't allow me to?

This is the one I was given: fftcv50.ppf

If anyone can help me out on reverting it back to normal I would appreciate that SO much. I only wanted the translations since I was using it for a play through blog and now it's just annoying since I take screenshots of the battle and having those glitches is really annoying.

New ISO...

Can't undo it as far as I know...

Seriously? Augh...that's so inconvenient...I mean I wasn't far in the game but it's going to bug me so bad now.

Always have a clean ISO for situations like this. Also, if you have a save file, it doesn't matter which ISO you play it with, I think the translation patch doesn't do anything to the actual game play