Flash 11.3 doesn't load video in Firefox

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  • Revision id: 28828
  • Created:
  • Creator: scoobidiver
  • Comment: no TOC for Linux, better link for video download add-ons, new blocklist link, new Win RP link, added keywords
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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 videos or games on sites like Facebook or YouTube may appear, black, white or grey and never play. We'll show some possible fixes.

Note: This article only applies to Windows and Mac.

There are several steps that you can try to remedy this situation. Each step is valuable in troubleshooting this issue.

Please try these steps in order.

If RealPlayer is installed, try this first

Turn off Web Download & Recording 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

This will remove the RealPlayer Browser Record extension from the Firefox Add-ons Manager.

Tip: As an alternative to the RealPlayer Browser Record extension, you may want to try one of our amazing Firefox video download add-ons.

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 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 or turning off the Browser Record feature did not resolve the issue, please try uninstalling RealPlayer from your computer: Uninstalling RealPlayer from a PC

Uninstall RealPlayer

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

Downgrade Flash

If the previous steps did not resolve your issue or Flash is constantly crashing, you should uninstall Flash 11.3 and downgrade to Flash 10.3 or 11.2. You can find steps for downgrading Flash in: Adobe Flash plugin has crashed - Prevent it from happening again