Hello SharePoint/InfoPath Experts….really need your help here…I got this problem few days ago…Every time we click the InfoPath form to open and update it leaves an error on SharePoint site windows. The InfoPath form can open properly and rules functioning as well. Below are the images for more info. I got headache already looking for solution online…Hoping for your help…
Is your site in the compatibility view of your browser? If not, add it, and try again.