Flash 11.3 doesn't load video in Firefox
Firefox users with Flash 11.3 and RealPlayer installed have
reported that Flash videos or games on sites like Facebook or YouTube
may appear, black, white or grey and never play. This can be fixed by updating to the latest version of RealPlayer.
Note: This article only applies to Windows and Mac.
Solution 1: If you have RealPlayer installed - update it
- Download the latest version of RealPlayer from real.com
- Double-click the installer application that you downloaded and follow the instructions.
Solution 2: Downgrade Flash
If updating RealPlayer did not resolve the issue or Flash is
constantly crashing, you should uninstall Flash 11.3 and downgrade to
Flash 10.3. You can find steps for downgrading Flash in:
Flash 11.3 crashes
Adobe Flash Player 11.3 doesn't load video in Mozilla Firefox