Sharp keys help

So i used sharp keys to change my rs f keys, but I stuffed it up. F3 now does quest book but I want it to do pray book, only thing is nothing atm does pray book, its like i've lost the key that does pray book, how can I make f3 go to pray book without knowing how to open pray book without using mouse?

 

anyone?

 

Simply reset the program , or uninstall it then re-install it again.
Then set the keys to what you would like.

 

uninstalling it doesn't work :/

actually i needa restart my computer to judge that

 

Yes, do that and get back to me.