Popup shortcode is displayed instead of the feed
There are areas that don’t support WordPress shortcodes. If the shortcode itself is displayed on your website, it means that you must have pasted the InstaShow shortcode to such an area.
When this happens, you have two options. You can either move the shortcode, and the widget, to another area, or read our tutorial to learn what you can do to activate the shortcodes on the right part of the page.