when i clicked on http://www.domain.com/username in profile or enter it in web browser to visit the user profile directly it still showing

when i clicked a user on http://www.domain.com/username in profile or i entered a user profile link in web browser to visit the user profileurl directly it still showing and positioned under the default menu which is landing-page. i would like to position all profileurl link of any user to load or to be position under another menu.

Thanks