No products display when clicking the left menu

-- url of the page with the problem -- : www.gobbe.se
-- HikaShop version -- : Business 2.2.1
-- Joomla version -- : 2.5.14
-- PHP version -- : 5.3.3
-- Browser(s) name and version -- : No matter all browsers show the same
-- Error-message(debug-mod must be tuned on) -- : No message

Hi,
I have just set up my first products in a category. I have set up several categores though but they are all empty right now.
Now I have set up one category with products and when you come in to my site the shop is the starting page with cathegories listing. If you then click the first category image "Krok" you come to the products listing so that's fine and works as I wish but the left position menu with the different categories does not work.
When you click "krok" there simply no products are displayed on the products listing view.
What is wrong?
I am sure I have missed something but what?
I would be grateful if you could help me with this one.

Thanks
Micke

HI,
Thanks this solved it. Another thing I don't get though is how to hide the right column after clicking a cateory in the categoriews listing on the starting page.
For example if I click the "Krokar" in the categories listing the right menu still appear but if I click it in the left side vertical menu it disappear. How can I make it disappear after clicking one of the product categories in the main view?

So this mean it is nothing I can do to change this?

Well I have the Advanced Module Manager already and I have tried to assign the Product listing only the Starting page but it seems like the Product listing module of HikaShop becomes just a part of the article so that's why it won't affect the displaying of the right position bar with the suppliers.
If anyone has any good suggestions i would be very happy.

Thanks Jerome,
I solved it thanks to your suggestion. By using the noname module anywhere I used a regular article and placed a hikashop category listing module inside it. That way the article can be assigned to any menu and display the cateories correct as a start page then by not assigning the suppliers on any other menu item it works as I want it.