please update Rated 3 out of 5 stars

Your addon his fantastic but I do not understand why but when I install your addon everything works well has part that I cannot click on one of my top site otherwise the page of foxtab stays above my Web page and empeche me to achieve it, I am obliged to close firefox via the administrator of stain, know you why please, thank you , i have firefox 19 and foxtab 1.4.9

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