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.
At JotForm, we want to make sure that you’re getting the online form builder help that you need. Our friendly customer support team is available 24/7.
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.
You have a Paypal payment integration in the form so if you select a product item and close the payment page, that will be added to your incomplete payment list.
But if you have completed the payment and it's being captured as incomplete, that means your IPN is not setup correctly. Here's how to do that: http://www.jotform.com/help/276-How-to-Enable-IPN-for-Paypal.