Hi sure,
Follow these steps, Go to admincp>styles & templates>style manager then select the skin you are using. Then click edit templates then scroll down to navigation / breadcrumb templates and expand that group. Now select navbar copy all the code into notepad and search for:
PHP Code:
<if condition="$show['popups']">
And above that you fill find two of these:
Now deleted both of the <br /> and that should be it.
Stephen