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I'm sorry for the trouble caused to you.
Where do you actually see this in form? I did check your last edited form and its submission page as well but could not locate this.
I would suggest you to please share a screenshot of your form where you see this and we will take a look. You may like to take a look at the following guide which should help you how to upload image in forum post: http://www.jotform.com/answers/277033
We will wait for your response.