Your plugins list show the Adobe Flash Player, so Flash should be working. #Shockwave Flash 11.9 r900 Did you click the lego shaped plugin icon on the left end of the location bar to activate the Flash plugin? *https://support.mozilla.org/kb/why-do-i-have-click-activate-plugins *http://kb.mozillazine.org/Flash ---- Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem (switch to the DEFAULT theme: Firefox/Firefox/Tools > Add-ons > Appearance). *Do NOT click the Reset button on the Safe Mode start window. *https://support.mozilla.org/kb/Safe+Mode *https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes