Flash 11.3 doesn't load video in Firefox

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  • Revision id: 25643
  • Created:
  • Creator: Matt_G
  • Comment: Updated with steps from Adobe per Keybl
  • Reviewed: No
  • Ready for localization: No
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Flash has recently updated to version 11.3. Some users are reporting issues with this version of Flash and Firefox. Flash may be crashing frequently or not loading videos at all. The video may appear black, white or grey and never play. In some cases, Firefox may crash as well. This article has a few solutions that have been reported to work.


Solutions

There are several steps that you can try to remedy this situation. Each step is valuable in troubleshooting this issue and the steps should be followed in order.

Disable the RealPlayer Browser Record Plugin in RealPlayer

  1. Launch RealPlayer
  2. Click the RealPlayer icon in the upper left corner of the window and choose Preferences.
  3. Choose Download & Recording from the left hand panel
  4. Uncheck "Enable Web Download & Recording for these installed browsers"
  5. Click OK and close RealPlayer
  6. Restart Firefox

Disable the RealPlayer Browser Record extension in Firefox

Note: The RealPlayer Browser Record extension has been blocklisted. If you re-enabled it afterwards, you can use the following steps to disable it again.
  1. Click the menu button Fx89menuButton, click Add-ons and themesExtensions and themes and select Extensions.
  2. Select the RealPlayer Browser Record extension.
  3. Click the Disable button.
  4. Click Restart now. Your tabs will be saved and restored after the restart.

Uninstall RealPlayer

If disabling the Browser Record feature did not resolve the issue, please try uninstalling RealPlayer from your computer: Uninstalling RealPlayer on Windows

If disabling the Browser Record feature did not resolve the issue, please try uninstalling RealPlayer from your computer: Uninstalling RealPlayer on Mac

Disable Protected Mode in Flash

If you do not have RealPlayer installed on your computer, you may want to try disabling Protected Mode in Flash. You find steps for disabling Protected Mode on the Adobe support forum. For more information on this feature, please see Inside Flash Player Protected Mode for Firefox.

Enable out of process plugin protection if it has been disabled

Some users may have disabled out of process plugin protection (OOPP) in earlier builds of Firefox. If you are still experiencing Flash crashes after performing the previous steps, you should enable OOPP protection if it has been disabled.

  1. Type about:config in the address bar and press EnterReturn.
    A warning page may appear. Click Accept the Risk and Continue to go to the about:config page.
  2. Type dom.ipc in the search box. You should see several items returned.
  3. Set dom.ipc.plugins.enabled.i386.flash player.plugin and dom.ipc.plugins.enabled.x86_64dom.ipc.plugins.enabled and dom.ipc.plugins.enabled.npswf32.dll (if it exists) to true.
  4. Restart Firefox