A Yahoo ADVERTISEMENT tab periodically opens while working on another project. Today I came back to my computer and 6 Advertisements tabs opened automatically...how do I stop this??

Perform the suggestions mentioned in the following articles: * [[How to set the home page#w_restore-the-default-home-page|Restore the default home page]] * Now do this -> [[How to set the home page#w_set-a-single-web-site-as-your-home-page|Set a single web site as your home page]] * [[Troubleshooting extensions and themes]] Check and tell if its working. ------------------------------------------------------------------------------------------ To Block Ads, use these add-ons: -> Adblock Plus * https://addons.mozilla.org/en-US/firefox/addon/adblock-plus/ * Subscribe to Filter lists ** http://adblockplus.org/en/subscriptions ** http://adblockplus.org/en/getting_started -> Adblock Plus Pop-up Addon * https://addons.mozilla.org/en-US/firefox/addon/adblock-plus-pop-up-addon/