Guitar chart editing causes crash

Hello,
I am using the demo and am trying to edit a guitar chord chart using the fretboard but anytime I click anywhere on the fretboard the program crashes. Am I the only one finding this? Is it because I am using the demo? Am I missing something?
I am using the demo and am trying to edit a guitar chord chart using the fretboard but anytime I click anywhere on the fretboard the program crashes. Am I the only one finding this? Is it because I am using the demo? Am I missing something?