for exmple here a 2 of the many.

I started having crashes ,freezes , to not working at all since the last update to firefox 47. And all this happens when I start to play farmville at facebook simultaneously as mention above . I have used help guide in firefox to fix this but no success , I have refreshed -get a new copy with no add-on ...I started to play maybe I was there about 5minute when again the pop-up appears , for exmple here a 2 of the many. script: https://cdn.doubleverify.com/avs598.js:75 / script: https://cdn.doubleverify.com/avs598.js:75. I click on the " stop" choice and it disappears but it then leaves me with a non- functional page , nothing I do seems to help it or close it ..so eventually it will crash on its own or I will have task manager to Ended for me. This pc. its an brand new hp Pavilion 64bit-operating system x 64 based processor / 8.00 GB Ram . Its been a few days now Im very exhausted I know someone can help me with this I don't know much of computers but can follow directions . thank you in advance . crash report ID, Firefox 47.0 Crash Report [@ msvcr120.dll@0x11595 | nsCSSFrameConstructor::ConstructFrameFromItemInternal ]