If that is your only problem, look at the extension where you will see that another user has modified/hacked the extension (probably just the maxVer) * https://addons.mozilla.org/firefox/addon/new-tab-homepage/ ''(4.1 KB download)'' You could easily use the New Tab toolbar button yourself, then "Home" button or "Alt+Home"' keyboard shortcut once you've opened a new tab. You could use the mouse shortcut Ctrl+"Home" toolbar button to do both at once ''(requires two hands)''. If you don't want to use a hacked version or the builtin Firefox methods while waiting for the author to update his extension, you can return to the ''unsupported Firefox 4 (4.0.1) version'' by ... For those that really need an earlier version of Firefox, find your system and the Firefox version you want in releases, download and start the install. * ftp://ftp.mozilla.org/pub/firefox/releases/ When reinstalling Firefox from a download, Firefox must be down once the installation starts. When the installation finishes, don't let the install start firefox for you. Instead end the install and start Firefox in your normal manner, thus preventing creating a new profile which does not have your bookmarks cookies, etc (but your old profile would still be around and would). ---- '''Alternative extension:''' * '''NewTabURL''' :: Add-ons for Firefox ''(49.2 KB download)''<br>https://addons.mozilla.org/firefox/addon/newtaburl/ ---- '''Keep your extensions up to date''', don't wait for a Firefox update and then try to do everything after the Firefox update. '''Research your''' extensions, some may have updates, some may be found in the developer comments or user comments on the add-on, or on the "'''View all versions'''" link which is part of the Release notes at the bottom of the add-on page. [https://addons.mozilla.org/firefox/addon/is-it-compatible/ '''Is It Compatible?''' :: Add-ons for Firefox], Are your add-ons compatible with the next version of Firefox? Find out straight from the Add-ons window!