Please refer to "Problematic Extensions" for specific information and removal instructions on how to uninstall the "Yahoo Toolbar". The usual cause of of it bring installed is from crapware preselected/suggested during a Java install or update. see * Problematic extensions - MozillaZine Knowledge Base<br>http://kb.mozillazine.org/Problematic_extensions * ImageShack® - Online Photo and Video Hosting<br>http://imageshack.us/photo/my-images/266/javainstall.png/ ---- ''Yahoo Toolbar messes up Location Bar Search'' '''Remove the Yahoo Toolbar''' # "Ctrl+Shift+A" (Add-ons Manager) # Select Puzzle piece on left-side for Extensions List # Find "Yahoo Toolbar" and click on "Uninstall" button '''Then to fix the default search engine''' used at the Location Bar, change the value of '''keyword.URL''' in '''about:config''' to one of the values shown in [http://kb.mozillazine.org/Location_Bar_search#Location_Bar_search_.28external_-_search_engine.29 Location Bar search] at MozillaZine. * Google Search (Google search results page)<br>'''http://www.google.com/search?ie=UTF-8&oe=UTF-8&q=''' # type in '''about:config''' into the location bar # if the warning message nonsense comes up uncheck the box before dismissing the dialog message # '''filter on keyword''' # right-click on '''keyword.URL''' and choose "modify" then paste in the Google search engine string of your choice. '''More information on configuration variables''' available in [http://kb.mozillazine.org/About:config_entries about:config entries] and for users not familiar with the process there is [http://kb.mozillazine.org/About:config about:config] (How to change).