To revert to Google as your preferred search engine, please do the following. * In the location bar, type '''about:config''' and hit Enter. * In the filter at the top, type: '''keyword.URL''' * Double click it and remove whatever's in there and replace it with http://www.google.com/search?q= The URL to add in "keyword.URL" becomes a link in this post, so right click it and choose "Copy Link Location" to copy it to the Windows clipboard. Then hit CTRL+V to paste it. Saves you having to type the whole thing. ---- '''To reset your home page, do the following'''. * Go to the site you want to set as your homepage. * Go to '''Tools '''| '''Options '''| '''General''' * Make sure it says "''Show My Homepage''" in the first dropdown menu. * Click the button called "'''Use Current Pages'''" to set the homepage to the one you have on the screen. After you complete the above steps, install this add-on to prevent another search engine from modifying your preferences: https://addons.mozilla.org/en-US/firefox/addon/browserprotect/ ---- Please also visit the [http://www.mozilla.com/en-US/plugincheck/ Plugins Check] page. Running outdated plugins exposes your system to attack.

You got to remove jookz toolbar completely or it won't allow you to change back google as your homepage. I found this guide has very detailed steps http://blog.teesupport.com/how-to-uninstall-jookz-toolbar-step-by-step-guide/