1/ I'm sure I'm going to fix it
2/ I don't understand what you expect.
I fixed the letters, and now when you enter into fastnav you can press "esc" to escape and it escape as it should. Before If you were entering Fastnav and the you were on "P", it was bringin you in "A" on exit.
This is what I fixed.
3/ Actually I don't know what to say.
RetroNerd, I'm going to give you another version that will tell more about your crash