the main toolbar reappears as soon as i click on the desktop but it only says finder. I cannot edit any preferences for firefox and cannot edit or do anything without the toolbar.
Please Update to the latest Firefox 18.0.x version.
The Firefox Firefox 14.0.1 version that you currently run is no longer supported with security updates
You can find the latest Firefox release in all languages and for all Operating Systems here:
Try to repair the disk permissions: