Yes, I solved.
Thank you for your interest.
Hi, most of my products have no price in product and catalog page, but looks right if i put them in the cart or if seen in the administration page.
I have assigned to all products the "Tax By Country & State & Zip" tax provider and put a different vat for every country, after that i assigned an "Apparel and shoes" tax category to every product.
I switched to the standard nopcommerce theme and everything works fine.
An example is at
Can you help?