I want to make an rjg but i made the first part of my game as a fps by mistake

Now though the npc's still talk but when I press F6 and press load I cant find any of the scripts. also if i edit the .cfg file that the scripts in none of the changes work?
Is the .cfg file in the wrong place?
Do I have to start again? (hopefully not)
If I havnt explained it good enough then sorry, and ill try again

Edit: I am useing version 2.5 with windows XP..i think. if that helps at all.
Double Edit:
