Product are shown twice on frontend

[isamar]

I have set up a menu item connected to a category but I see my products twice in frontend.
The category products are shown twice for some reason.

I did turn off the all the configuration setup to omit

[GJC Web Design]

are u sure u aren't seeing some module as well ?
e.g. if u only have a couple of test products then e.g. latest prods will be identical

Live url?