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The [http://www.adobe.com/products/flashplayer/ Adobe Flash Player] browser plugin lets you view video and animated content in Firefox. '''Note:''' The Firefox Software Update feature does not update installed plugins. See the [http://www.adobe.com/support/security/index.html#flashplayer Adobe Security bulletins and advisories page] for information about security and stability issues affecting Adobe Flash Player and other Adobe products. * For instructions on how to install the Flash plugin for Firefox, see [[Installing the Flash plugin]]. __TOC__ = Testing Flash = Visit [http://www.adobe.com/software/flash/about/ 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 [[Installing the Flash plugin]]. = Updating Flash = To check if your installation of Flash is up to date, visit Mozilla's [http://www.mozilla.com/plugincheck/ Plugin Check] page. If it says that Flash needs to be updated, install the latest version manually. <!-- ANY CHANGES TO THIS SECTION SHOULD BE APPLIED TO https://support.mozilla.com/en-US/kb/Installing+the+Flash+plugin AS WELL. --> {for win} # Go to [http://get.adobe.com/flashplayer/completion/?installer=Flash_Player_10.1_for_Windows_-_Other_Browsers Flash Player download page] at Adobe.com and download the Flash installer. # [[T:closeFirefox]] # Open the file you downloaded (i.e. {filepath install_flash_player.exe}), then follow the installer's instructions. {/for} {for mac} # Go to [http://get.adobe.com/flashplayer/completion/?installer=Flash_Player_10.1_for_Mac_OS_X Flash Player download page] at Adobe.com and download the Flash installer. # [[T:closeFirefox]] # Open the file you downloaded (i.e. {filepath install_flash_player_osx_ub.dmg}). # In the Finder, open the {filepath Adobe Flash Player.pkg} to run the installer, then follow the installer's instructions. {/for} {for linux} # Go to [http://get.adobe.com/flashplayer/completion/?installer=Flash_Player_10.1_for_Linux_%28.tar.gz%29 Flash Player download page] at Adobe.com. # When prompted, save the file {filepath install_flash_player_10_linux.tar.gz}. # [[T:closeFirefox]] # Open a Terminal window (in Gnome, click on the {menu Applications} menu, select {menu Accessories}, and then select {menu Terminal}.) # In the Terminal window, change to the directory where you saved the file you downloaded (e.g. '''''cd /home/user/Downloads'''''). # Extract {filepath libflashplayer.so} from file you downloaded with the command '''''tar -zxvf install_flash_player_10_linux.tar.gz'''''. # As the [http://help.ubuntu.com/community/RootSudo super user], copy the extracted file, {filepath libflashplayer.so}, to your Firefox installation directory's {filepath plugins} sub-directory. For example, if Firefox is installed in {filepath /usr/lib/mozilla}, use the command '''''sudo cp libflashplayer.so /usr/lib/mozilla/plugins''''' and then enter your super user password when prompted. <br/> <br/> [[Image:0a85171f1802a3b0d9f46ffb997ddc02-1260326970-447-1.png]] {/for} {for win,mac} = Uninstalling Flash = For instructions on uninstalling Flash, see [http://kb2.adobe.com/cps/141/tn_14157.html How to uninstall the Adobe Flash Player] at Adobe.com. {/for} = Troubleshooting = {for win} == Flash works in Internet Explorer but not in Firefox == There are two different types of Flash Players: An ActiveX version for Internet Explorer and a plugin version for Firefox and other browsers. If you want Flash to work in Firefox you must install the plugin version, as explained above. {/for} == Flash-based video or audio does not play or stops after a few seconds == See [[Flash-based videos and sound do not play correctly]]. == Cannot view full screen Flash videos == See [[Cannot view full screen Flash videos]]. == Flash content shows as question mark == See [[Flash content shows as question mark]]. == 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 (e.g., at [http://www.mozilla.com/plugincheck/ Mozilla's Plugin Check]) even after installing the latest Flash version, see [[Flash does not work properly or will not update]]. == The Adobe Flash plugin has crashed == If you see this message instead of Flash content in Firefox 3.6.4 or above, see [[The Adobe Flash plugin has crashed]]. {for win} == Firefox crashes when viewing YouTube videos == If Firefox crashes when viewing YouTube videos or other Flash content in Firefox 3.6.3 or below, see [[Firefox crashes when viewing Youtube videos]]. {/for} {for mac} == Pages that use the Flash plugin crash on Mac == See [[Pages that use the Flash plugin crash on Mac]]. {for fx4} == Flash does not work in Firefox 4 == Starting in Firefox 4.0 Beta 7, Firefox will run as a 64-bit application on Mac OS 10.6 "Snow Leopard". <!-- http://boomswaggerboom.wordpress.com/2010/11/10/firefox-4-for-mac-os-x-under-the-hood/ --> This may cause Flash to stop working, even though it worked in Firefox 4 Beta 6 or below. As a workaround, you can run Firefox in 32-bit mode, as follows: #From the menu bar, select {menu Firefox} and then select {menu Quit Firefox} #Open the {filepath Applications} folder in Finder and locate the {filepath Firefox} application icon. #Hold down the {key control} key while you click the {filepath Firefox} icon and select {menu Get Info} from the list of menu items. #In the "Firefox Info" window, click the box in front of "Open in 32-bit mode" so that it is checked. {/for} <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Flash Flash (mozillaZine KB)]'''''