I have a similar issue. I have 2 shopping carts on my site - one for English and one for Spanish. The English one now works perfectly. When I set up the Spanish one I selected Paypal Pro on the checkout wizard instead of Paypal express (which I want). I deleted the files as you said and re-ran the wizard, however when I click the 'checkout' button it still goes to the checkout.php page instead of going to Paypal. Is there any way to tweak the code to go straight to Paypal?