Hi, try an ad-blocker like [https://adblockplus.org/en/firefox Adblock Plus.] ''If your question is resolved by this or another answer, please take a minute to let us know. Thank you.''

Security Issue: Update your Flash Player '''Version 19.0.0.226<br>https://www.adobe.com/products/flashplayer/distribution3.html''' '''Note: Windows users''' should download the ‘’’active_x’’’ for “Internet Explorer,” '''and''' the ‘’’plugin’’’ for “Plugin-based browsers” (like Firefox). Note: Edge on Win10 does not use ActiveX version but its own Flash. See if there are updates for your graphics drivers https://support.mozilla.org/kb/upgrade-graphics-drivers-use-hardware-acceleration --------------- You may have ad / mal-ware. Further information can be found in the [[Troubleshoot Firefox issues caused by malware]] article. Run most or all of the listed malware scanners. Each works differently. If one program misses something, another may pick it up. ----------- '''[https://addons.mozilla.org/en-US/firefox/addon/adblock-plus/ Adblock Plus]''' {web link} Blocks annoying video ads on YouTube, Facebook ads, banners and much more. Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable). '''[https://addons.mozilla.org/en-US/firefox/addon/adblock-plus-pop-up-addon/ Adblock Plus Pop-up Addon]''' {web link} Adblock Plus Pop-up Addon extends the blocking functionality of Adblock Plus to those annoying pop-up windows that open on mouse clicks and other user actions. Forum; '''[https://adblockplus.org/forum/ Adblock Plus Homepage]''' {web link}