Flash Plugin - Keep it up to date and troubleshoot problems
The Adobe Flash Player browser plugin lets you view video and animated content in Firefox. This article has information about testing, updating, uninstalling and troubleshooting the Adobe Flash plugin.
- For instructions on how to install the Flash plugin for Firefox, see Install the Flash plugin to view videos, animations and games.
Table of Contents
- 1 Testing Flash
- 2 Updating Flash
- 3 Uninstalling Flash
- 4 Troubleshooting
- 4.1 The Adobe Flash plugin has crashed
- 4.2 Unresponsive plugin warning
- 4.3 Playing Flash videos makes Firefox hang
- 4.4 Cannot view full screen Flash videos
- 4.5 Flash does not work properly and/or will not update
- 4.6 Flash doesn't load video
- 4.7 Flash works in Internet Explorer or Chrome but not in Firefox
Visit Adobe's Test Page to see if the Flash plugin is installed and working properly. If it tells you that Flash is not installed, install Flash using the instructions at Install the Flash plugin to view videos, animations and games.
To check if your installation of Flash is up to date, visit Mozilla's Plugin Check page. If it says that Flash needs to be updated, install the latest version manually.
- Go to the Flash Player download page at Adobe.com and download the Flash installer. Caution: Adobe's download page may include a checkbox for optional software (such as Google Chrome or McAfee Security Scan) that is selected by default. If you do not clear the checkbox before downloading, that software will be installed on your computer when you open the Flash installer.
- When the download has finished, close Firefox. At the top of the Firefox window, click on the button and then select At the top of the Firefox window, click on the menu and then select On the menu bar, click on the menu and select At the top of the Firefox window, click on the menu and select
- Open the Flash installer file you downloaded and follow the instructions.
- Go to the Flash Player download page at Adobe.com and download the Flash installer.
- Open the file you downloaded (i.e. install_flash_player_osx_intel.dmg).
- In the Finder, open the Install Adobe Flash Player.app to run the installer, then follow the installer's instructions.
- Go to the Flash Player download page at Adobe.com.
- When prompted, save the file (i.e. install_flash_player_"version"_linux."processor".tar.gz).
- Open a Terminal window (in Gnome, click on the menu, select , and then select .)
- In the Terminal window, change to the directory where you saved the file you downloaded (e.g. cd /home/user/Downloads).
- Extract libflashplayer.so from the file you downloaded with the command tar -zxvf install_flash_player_"version"_linux."processor".tar.gz.
- As the super user, copy the extracted file, libflashplayer.so, to your Firefox installation directory's plugins sub-directory. For example, if Firefox is installed in /usr/lib/mozilla, use the command sudo cp libflashplayer.so /usr/lib/mozilla/plugins and then enter your super user password when prompted.
The Adobe Flash plugin has crashed
If you see this message instead of Flash content, see Adobe Flash plugin has crashed - Prevent it from happening again.
Unresponsive plugin warning
Firefox will show you a warning dialog if the Flash plugin is taking longer then expected:
See the article Warning Unresponsive plugin - What it means and how to fix it for solutions and workarounds.
Playing Flash videos makes Firefox hang
If Firefox stops responding or if the Flash plugin hangs or stops working when playing Flash videos or games, try these solutions:
- Pause or stop Flash in other tabs. You may need to close those tabs.
- Update Flash. See the Updating Flash section above for instructions.
- Update your graphics drivers. See Upgrade your graphics drivers to use hardware acceleration and WebGL for details.
- Disable hardware acceleration in Flash:
- Go to this Adobe Flash Player Help page.
- Right-clickHold down the Ctrl key while you click on the Flash Player logo on that page, then click on in the context menu. The Adobe Flash Player Settings screen will open.
- Click on the icon at the bottom-left of the Adobe Flash Player Settings window to open the Display panel.
- Remove the check mark from Enable hardware acceleration.
- Click to close the Adobe Flash Player Settings Window.
- Restart Firefox.
Cannot view full screen Flash videos
Flash does not work properly and/or will not update
If Flash content does not work, acts strangely, or causes errors, or if you see a notice that you need to update Flash (for instance, at Mozilla's Plugin Check) even after installing the latest Flash version, uninstall and reinstall Flash.
Flash doesn't load video
If Flash videos or games may appear, black, white or grey and never play, see Flash 11.3 doesn't load video in Firefox.
Flash works in Internet Explorer or Chrome but not in Firefox
There are three different types of Flash Players: an ActiveX version for Internet Explorer, a Chrome version built-in the browser and a plugin version for Firefox and some other browsers. If you want Flash to work in Firefox you must install the plugin version, as explained above.
Based on information from Flash (mozillaZine KB)
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