Flash 11.3 crashes

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Flash 11.3 crashes more frequently than previous versions of Flash. Updating to the latest version of Flash should fix this issue for most people.

Note: This article only applies to Windows and Mac.
Note: This article is specifically for crashes with Flash 11.3. If you are experiencing issues with Flash 11.3 such as video appearing black, white or grey and never playing, please see Flash 11.3 doesn't load video in Firefox.

Solution 1: Update Flash

  1. Go to Adobe's Flash Player download page 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.
  2. When the download has finished, close Firefox.

    At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open the Flash installer file you downloaded and follow the instructions.
Note: If you are having problems with the Flash installer from Adobe's download page, you can use this Flash Player installer link to directly download the full installer.
  1. Go to Adobe's Flash Player download page and download the Flash installer.
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open the file you downloaded (i.e. install_flash_player_osx_intel.dmg).
  4. In the Finder, open the Install Adobe Flash Player.app to run the installer, then follow the installer's instructions.
  1. Go to Adobe's Flash Player download page.
  2. When prompted, save the file (i.e. install_flash_player_"version"_linux."processor".tar.gz).
  3. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  4. Open a Terminal window (in Gnome, click on the Applications menu, select Accessories, and then select Terminal.)
  5. In the Terminal window, change to the directory where you saved the file you downloaded (e.g. cd /home/user/Downloads).
  6. Extract libflashplayer.so from the file you downloaded with the command tar -zxvf install_flash_player_"version"_linux."processor".tar.gz.
  7. 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.

    0a85171f1802a3b0d9f46ffb997ddc02-1260326970-447-1.png

Solution 2: Downgrade to Flash 10.3

If updating Flash to the latest version didn't solve the problem, you can try downgrading to Flash 10.3.

Warning: Flash 10.3 doesn't auto-update so you won't be notified of new versions. Keeping Flash up to date is critical to keeping your computer safe.
Note: You may want to write down these steps or print them out as you will have to close Firefox during this process.

Step 1: Uninstall Flash

To uninstall Flash on Windows, you will need to use the uninstaller provided by Adobe.

  1. Download the uninstaller program from Adobe - uninstall_flash_player.exe (671 KB)
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Run the uninstall Flash program that you download and follow the prompts.
  4. When you are finished, start Firefox again and continue with the next section.

See the Adobe help article Uninstalling Flash Player on Windows for more details.

Step 2: Install Flash 10.3

The following instructions will show you how to download and install Flash 10.3.

  1. Download Flash 10.3 from the Adobe site - install_flash_player_10_plugin.exe
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open your downloads folder and double-click the file named install_flash_player_10_plugin.exe to start the installation.
  4. Follow the instructions in the installer. When the installation is complete you can open Firefox again.

Solution 1: Update Flash

  1. Go to Adobe's Flash Player download page 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.
  2. When the download has finished, close Firefox.

    At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open the Flash installer file you downloaded and follow the instructions.
Note: If you are having problems with the Flash installer from Adobe's download page, you can use this Flash Player installer link to directly download the full installer.
  1. Go to Adobe's Flash Player download page and download the Flash installer.
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open the file you downloaded (i.e. install_flash_player_osx_intel.dmg).
  4. In the Finder, open the Install Adobe Flash Player.app to run the installer, then follow the installer's instructions.
  1. Go to Adobe's Flash Player download page.
  2. When prompted, save the file (i.e. install_flash_player_"version"_linux."processor".tar.gz).
  3. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  4. Open a Terminal window (in Gnome, click on the Applications menu, select Accessories, and then select Terminal.)
  5. In the Terminal window, change to the directory where you saved the file you downloaded (e.g. cd /home/user/Downloads).
  6. Extract libflashplayer.so from the file you downloaded with the command tar -zxvf install_flash_player_"version"_linux."processor".tar.gz.
  7. 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.

    0a85171f1802a3b0d9f46ffb997ddc02-1260326970-447-1.png

Solution 2: Downgrade to Flash 10.3

If updating Flash to the latest version didn't solve the problem, you can try downgrading to Flash 10.3.

Warning: Flash 10.3 doesn't auto-update so you won't be notified of new versions. Keeping Flash up to date is critical to keeping your computer safe.
Note: You may want to write down these steps or print them out as you will have to close Firefox during this process.

Step 1: Uninstall Flash

To uninstall Flash 11.3 on Mac OSX, you will need to use the uninstaller provided by Adobe.

  1. Download the uninstaller program from Adobe:
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Double-click the .dmg file that you downloaded to open a folder with the uninstall Flash program.
  4. Double-click the uninstall Flash program and follow the prompts.
  5. When you are finished, start Firefox again and continue with the next section.

See the Adobe help article Uninstalling Flash Player on Mac OS for more details.

Step 2: Install Flash 10.3

The following instructions will show you how to download and install Flash 10.3.

  1. Download Flash 10.3 from the Adobe site - install_flash_player_10_osx.dmg
  2. At the top of the Firefox window, click on the Firefox button and then select ExitAt the top of the Firefox window, click on the File menu and then select ExitOn the menu bar, click on the Firefox menu and select Quit FirefoxAt the top of the Firefox window, click on the File menu and select Quit.

    Click the menu button New Fx Menu and then click ExitQuit Close 29 .

  3. Open your downloads folder and double-click the file named install_flash_player_10_osx.dmg to open a folder with the Flash 10.3 install program.
  4. Double-click the Flash 10.3 installer to start the installation.
  5. Follow the instructions in the installer. When the installation is complete you can open Firefox again.