-> click '''Firefox''' button and click '''Options''' -> Content panel -> place Checkmark on '''Block Pop-up windows''' -> click '''Exceptions...''' button and click '''Remove All''' button -> click Close -> click OK on Options window -> Restart Firefox Check and tell if its working. IF it still doesn't work, do this: * Go to your concerned website * Right-click empty space within the page and click '''View Page Info''' * In the '''Page Info''' window, select the '''Permissions''' panel * Under '''Open Pop-up windows''', place/remove Checkmark on '''Use Default''' and change the setting to '''Block''' * Close the Page Info window * click OK on Options window -> Restart Firefox For more support, you can also use these extensions together: -> '''Adblock Plus 1.3.9''' * 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 0.2.8''' * https://addons.mozilla.org/en-US/firefox/addon/adblock-plus-pop-up-addon/