I do not show up in Joomla 1.6

I am a joomla newbie as well but I am learning hikashop good and adds a menu to q show me the list of products I have q tests but only shows me this message: "The shop is in maintenance" and check everything and I'm doing the right q add other types of menus hikashop same warning goes so I ask what would it help .. possible causes thanks

thank you very much I did not notice that but I am learning thanks for your support, the problem is solved