Preferences that have been modified are shown as bold (user set).
   Preferences can be Reset to the default or changed via the right-click context menu. 

   Right click the preference keyword.URL and click Reset
   OR choose Modify -> Replace the text with http://www.google.com/search?q= and then click OK 

   right-click the preference browser.startup.homepage and choose Reset from the menu 

   right-click the preference browser.search.selectedEngine and choose Reset from the menu 

   This will show the remaining ask.com related preferences
   Reset all ask.com related Preferences to their Default values (right-click a preference and click Reset) 

upgrade your browser to Firefox 8 first * getfirefox.com There are a couple of places to check for the Ask.com toolbar:- 1) Check the Windows Control Panel for the Ask Toolbar - Uninstall them * http://about.ask.com/apn/toolbar/docs/default/faq/en/ff/index.html#na4 * Crowdstar toolbar 2) Start Firefox in Safe Mode by holding down SHIFT key while starting Firefox * As an alternative method, use Win + R key combination and enter one of the following in the Windows Run box: * firefox -safe-mode * "C:\Program Files\Mozilla Firefox\firefox.exe" -safe-mode * "C:\Program Files (x86)\Mozilla Firefox\firefox.exe" -safe-mode -> Firefox Safe Mode window will appear -> DON'T SELECT ANY OPTIONS, just click Continue in Safe Mode -> Check your list of extensions, you may be able to Uninstall it from there * Uninstalling add-ons * Cannot uninstall an add-on * http://kb.mozillazine.org/Uninstalling_toolbars 3) [https://support.mozilla.com/en-US/kb/How%20to%20set%20the%20home%20page#w_restore-the-default-home-page Restore the default home page] 4) [https://support.mozilla.com/en-US/kb/Search%20bar#w_removing-a-search-engine Search Bar - Removing a Search Engine] 5) Restore Default Search Engine Type '''about:config''' in the Location (address) bar and press the "Enter" key. When you see a warning, click '''I'll be careful, I promise!''' button. Preferences that have been modified are shown as '''bold (user set)'''. Preferences can be '''Reset to the default''' or changed via the right-click context menu. -> In the Filter bar, type '''keyword.URL ''' Right click the preference keyword.URL and click Reset OR choose Modify -> Replace the text with http://www.google.com/search?q= and then click OK -> In the Filter bar, type browser.startup.homepage right-click the preference browser.startup.homepage and choose Reset from the menu -> In the Filter bar, type browser.search.selectedEngine right-click the preference browser.search.selectedEngine and choose Reset from the menu -> Now finally in the Filter bar, type ask.com This will show the remaining ask.com related preferences Reset all ask.com related Preferences to their Default values (right-click a preference and click Reset) -> Close the about:config tab and then Restart Firefox.