Your system details list doesn't show that the Shockwave Flash plugin is installed and enabled. *Firefox/Tools > Add-ons > Plugins You can find links of the latest Shockwave Flash player for Firefox on this page: * http://www.adobe.com/special/products/flashplayer/fp_distribution3.html You can verify on the Adobe Flash Players Test Page that the Flash plugin is working and which version you have. * http://www.adobe.com/software/flash/about/ ---- Start Firefox in <u>[[Safe Mode|Safe Mode]]</u> to check if one of the extensions (Firefox/Tools > Add-ons > Extensions) or if hardware acceleration is causing the problem. *Switch to the DEFAULT theme: 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