Hi,
I am working off a new install. I'm testing the purchase flow and when I go from the cart page to the checkout i get a blank screen.
http://mobilenotaryacademy.com/course/mobile-notary-business/
I've also tried
a. Go to WP Admin - Settings - Permalinks and re-save
b. Check WP Admin - WooCommerce - Settings - Checkout, make sure the above page is connected in settings.