Hello rock_devko, with hardware acceleration disable in firefox, '''disable hardware acceleration in your Flash Player''' settings. (See [[Flash Plugin - Keep it up to date and troubleshoot problems|this article]] for more information on using the Flash plugin in Firefox). To disable hardware acceleration in Flash Player: #Go to this [http://helpx.adobe.com/flash-player/kb/video-playback-issues.html#main_Solve_video_playback_issues Adobe Flash Player Help page]. #Right-click on the Flash Player logo on that page. #Click on '''Settings''' in the context menu. The Adobe Flash Player Settings screen will open. # Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel. <br/> <br/>[[Image:fpSettings1.PNG]] <br/> # Remove the check mark from '''Enable hardware acceleration'''. # Click '''Close''' to close the Adobe Flash Player Settings Window. # Restart Firefox. This [http://www.macromedia.com/support/documentation/en/flashplayer/help/help01.html Flash Player Help - Display Settings page] has more information on Flash Player hardware acceleration, if you're interested. '''also, disable Flash protected mode''' by following the instructions on these pages: * http://forums.adobe.com/thread/1018071#TemporaryWorkaround * http://kb.mozillazine.org/Flash#Disabling_Protected_Mode_in_Flash_11.3 (See [http://blogs.adobe.com/asset/2012/06/inside-flash-player-protected-mode-for-firefox.html this Adobe blog post] for technical details about Flash protected mode.) Please tell us if this helped! thank you