Kicked for client unexpected behavior?

I Used jjsploit on rolbox and i accidently clicked on "fix roblox" and ever since i clicked on that button every roblox lobby i try to join to kicks me out and i get an error saying "you have been kicked for client unexpected behavior (error 268)"
i tried deleting the game's files 

and the 2 xml and cfg documents non of those fixes worked what should i do?