I have installed and tried a couple of shopping carts. One of them is WordPress Ultra Simple PayPal Shopping Cart and when I click on a checkout and it takes me to PayPal but I get an error that says, “The seller accepts encrypted website payments only. You cannot pay the seller through un-encrypted buttons. Please contact your seller for more details.” Does anyone know how to remedy this problem? I’ve tried other shopping carts and have gotten the same message. I have a business PayPal account.
I am running 3.5.2