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Guitar fingerings

I get the message below when selecting “View piano and guitar fingerings” from the Chorus or Verse drop down menu.

You can click “View piano and guitar fingerings” beneath any Theorytab to load it into this piano / guitar chords view.

I do not see the guitar fingerings at all. When Piano in settings is set to ON I see the keyboard but it does not work to play or add notes to the measure. I did install Flash Player and made sure it was working in my Firefox browser. To get Hookpad to work do I have to install Chrome?