Make sure you are not in Full Screen mode. :Press F11 to toggle Full Screen mode on/off. Pop-up windows do not have have a navigation bar, which the bar they are normally on. unless you force them to with an extension or a style. Mozilla removed the Properties context menu from from a web page, which greatly exacerbates similar problems like knowing the location.) Make sure you are displaying the Navigation bar * "Alt" > View > Toolbars > Navigation bar Look on the far right side of the Navigation bar for the Back/Forward arrows You can move them back with Customize or from the customize dialog or from another toolbar with ... "Alt" > view > Toolbars > Customize You can make Firefox '''Firefox 5.0''' look like Firefox 3.6.18, see numbered items 1-10 in the following topic [http://dmcritchie.mvps.org/firefox/firefox-problems.htm#fx4interface Fix Firefox 4.0 toolbar user interface, problems (Make Firefox 5.0, or 4.0.1, look like 3.6)]. ''Whether or not you make changes, you should be aware of what has changed and what you have to do to use changed or missing features.'' ---- If this solves your problem please mark as solved. or reply for further help.