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my firefox browser has popups of efix pro, reimage repairs, money video even tho i have reinstalled the program

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toshiba laptop running windows 7, these come on when clicking (in firefox) to go to another window & come up as an additional window for eg http://offers.bycontext.com; http://pchelpdesk.co; http://www.efix.com/lp - many thanks

toshiba laptop running windows 7, these come on when clicking (in firefox) to go to another window & come up as an additional window for eg http://offers.bycontext.com; http://pchelpdesk.co; http://www.efix.com/lp - many thanks

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