No, unfortunately not if the text didn't appear when clicking Forward. You can disable the backspace key: *http://kb.mozillazine.org/browser.backspace_action (2) To open the <i>about:config</i> page, type <b>about:config</b> in the location (address) bar and press the "<i>Enter</i>" key, just like you type the url of a website to open a website.<br /> If you see a warning then you can confirm that you want to access that page.<br /> *Use the Filter bar at to top of the about:config page to locate a preference more easily. *Preferences that have been modified show as bold(user set). *Preferences can be reset to the default or changed via the right-click context menu.