Right click on a toolbar and select - Customize Drag & drop it back to where it was.

* If on Windows in Firefox 3.6 the menu bar is hidden then press and hold the Alt key down, that should make the "Menu Bar" appear.
* Go to "View > Toolbars" and put a check-mark for "Menu Bar" to make that permanent. See Restore the Menu bar in Firefox).
* Make sure that you have the Navigation Toolbar and other toolbars visible: "View > Toolbars"
* If items are missing then see if you can find them in the "View > Toolbars > Customize" window.
* If you see the item in the Customize window then drag it back from the Customize window to the Navigation toolbar.
* If you do not see that item then click the "Restore Default Set" button in the "View > Toolbars > Customize" window.

* If on Windows in Firefox 3.6 the menu bar is hidden then press and hold the Alt key down, that should make the "Menu Bar" appear. * Go to "View > Toolbars" and put a check-mark for "Menu Bar" to make that permanent. See [[Menu bar is missing]]). * Make sure that you have the ''Navigation Toolbar'' and other toolbars visible: "View > Toolbars" * If items are missing then see if you can find them in the "View > Toolbars > Customize" window. * If you see the item in the Customize window then drag it back from the Customize window to the Navigation toolbar. * If you do not see that item then click the "Restore Default Set" button in the "View > Toolbars > Customize" window. See also [[Back and forward or other toolbar buttons are missing]] and [[Navigation Toolbar items]] See http://kb.mozillazine.org/Toolbar_customization