Weird notification pops up during quizzes.

I'm having a problem in one of my presentations that I just can't seem to fix.  I have a couple of quizzes (one is multiple response, the other is true/ false).  When you come to the quizzes in the presentation, a notification comes up that says:  "Notification- You must complete the quiz in order to continue".  Sometimes it happens as I am moving my mouse towards the answer, sometimes before and sometimes after I have answered a question.  I have tried everything to get rid of it and I'm truly stumped!  Thanks for any assistance.  

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