YouTube does not work

I installed Firefox 19 from a previous version of Firefox. It now won't play any online video - youtube or other streaming videos. I can read them all on MS Internet Explorer and Google Chrome. The Add-ons are updated in Firefox. I uninstalled and reinstalled firefox 19 - same problem, no video. I installed the latest version of Adobe Flash Player. Windows 7 is up to date. Ran virus scan, no problem.

Interesting solution. First, I checked the version of Flash installed and found that although I had installed and re-installed Flash Player 11, I got Flashplayer 10 still installed with Flash Player 11 plugin is also installed. I uninstalled Flash Player 10, installed flashplayer 11. Still had the same problem. I then went to the Flash Player help site and they indicated that they might be a conflict between the properties of RealPlayer and Firefox. I went to page properties of RealPlayer and cancelled the option to record a video in realplayer of Chrome or Internet Explorer format. The Flash Player in Firefox now works. RealPlayer was not active, not on, and made its properties even a conflict between Firefox and Flash Player.

For those of you who took the time to give advice or solutions, thank you very much - I appreciate it.

Tags: Firefox

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