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.
Update RealPlayer
- Download the latest version of RealPlayer from real.com
- Double-click the installer application that you downloaded and follow the instructions.
- For details, see Download and install RealPlayer in the RealPlayer knowledge base.