I know this probably isn't anything to with the theme, but most like the WooCommerce Widget. I have the "WooCommerce Product Categories" Widget listing my current product in a dropdown list. When I display it using a dropdown, is shows a category named "Uncategorized". I'm not sure if anything I will be listing will be in that category. When I have my categories listing on the sidebar and not in a dropdown list, it doesn't show this.