What is JotForm?
JotForm is a free online form builder which helps you create online forms without writing a single line of code. No sign-up required.
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We believe that if one user has a question, there could be more users who may have the same question. This is why many of our support forum threads are public and available to be searched and viewed. If you’d like help immediately, feel free to search for a similar question, or submit your question or concern.
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.