I have installed the "Product Reviews" app successfully. After a little more research i found another app for reaviews and I decided to use that one instead. So I deleted de "Product Reviews" app and installed the other one. The problem is that there is still part of the review app in some products as you can see in the image attached. I really need to remove this since I'm installing another app for reviews and if there is 2 spots for review the client will get confused.