Eventhough I have the latest Adobe Flash player 11.2 for Linux in Firefox - ref: Flash player security doubts - a particular online flash game still requests that I update to the latest flash player.
To install the latest version of flash player search the Dash (in Ubuntu releases before 17.10) or the Show Applications dashboard (in Ubuntu 17.10 or later) for Software & Updates and open the Software & Updates window. Click the Other Software tab in the Software & Updates window, and put a check mark in the checkbox to the left of where it says: Canonical Partners.
Flash plugin for Linux provided by Adobe stopped at version 11.2. For Chrome/Chromium users there is Pepper Flash plugin, but it's not supported by Firefox/Iceweasel/other browsers. In Ubuntu 16.04 and later browser-plugin-freshplayer-pepperflash from the default Ubuntu repositories allows one to use the Pepper Flash plugin from Chrome in Firefox and any other web browser supporting NPAPI plugins. It works better than adobe-flashplugin in Firefox.
The first is to run the Windows version through Wine, a software emulation layer designed to make Windows software work on GNU/Linux and other Unix-like systems. You'll need a Windows web browser (such as the Windows version of Firefox), with the Windows version of Flash Player.
Or, you could install Google Chrome, as it always has a recent version of Flash, even on Ubuntu. If you choose Chrome, you won't need Wine. This may no longer be an option. See update #3.
Update: I now know of a third way to do this: Pipelight! Pipelight was originally a browser plugin meant to use a fork of WINE to run Microsoft Silverlight. However, at some point, the developers decided to add support for Flash as well. See Here for instructions on how to install Pipelight, and enable Flash Player.
However, this method isn't perfect; if you find that your browser won't respond to your mouse, you may either switch workspaces (using you desktop's keyboard shortcuts), or switch windows (again keyboard shortcuts). Either way, when you switch back, you should be able to click again. Please note, I've only tested this with Linux Mint's Cinnamon desktop (which is forked from Gnome), and can't guarantee this will work on other desktops. If all else fails, you can switch to tty, and kill pipelight using pkill pluginloader.exe.
Also, you might want to run sudo pipelight-plugin --update from time to time, so that Pipelight will know to install an updated version of flash player. This both prevents Pipelight from trying to download plugins from dead links, and ensures said plugins stay up-to-date. Or, you can create a cron file to run the command automatically. To do this, run sudo bash -c 'echo -e \#\!"/bin/bash\n\npipelight-plugin --update" > /etc/cron.weekly/pipelight-update; chmod a+x /etc/cron.weekly/pipelight-update' This will allow your Pipelight's list of plugins to be updated weekly, although the actuall plugins won't be updated untill you start your NPAPI-based browser.
Update 2: I found another plugin which uses Pepper (Google Chrome) Flash Player inside other browsers (such as firefox). This plugin, known as freshplayerplugin, is a native version of Flash, so no WINE is required. Please note: although I haven't tried this method, Pepper Flash is known to have problems with DRM-Protected videos, such as those found on Amazon Prime. If you watch DRM-protected videos with Flash Player, you might want to use Pipelight.
The above link will tell you how install FreshPlayerPlugin by cloning a git repository and compiling the code yourself. Or, you can install the pepflashplugin-installer package from the skunk/pepper-flash ppa: sudo add-apt-repository ppa:skunk/pepper-flash && sudo apt-get update && sudo apt-get install pepflashplugin-installer. See the bottom of THIS page for instructions on how to enable Chromium to use pepperflash. Warning: this depends on Google Chrome support. Please see update #3.
Update 3: Google has dropped Chrome support for all 32-bit GNU/Linux systems. If you have a 64-bit system, you can use Chrome as usual. Otherwise, you will have to either run an old version of Chrome (good luck finding one. Also, do be warned that old browsers are not secure), switch to a 64-bit system, or attempt to run the Windows version through WINE. Because 32-bit systems are no longer supported, you can no longer use the method described in update #2 on 32-bit systems.
Update 4: Pipelight has been discontinued by the author. You can no longer install Flash Player with it. However, Adobe has decided to bump the GNU/Linux version of Flash player to the latest versions, so I guess you don't need pipelight or freshplayerplugin. in fact, that kind of makes this entire answer obsolete.
Save the tarball into the /tmp folder with the name flash.tar.gz. If your browser automatically downloads the tarball, thus making it impossible for you to rename the tarball before the download starts, wait for the download to end, then go to the folder where the tarball's been put, rename the tarball to flash.tar.gz and then move it to /tmp.
You can now run your Mozilla/Gecko browser (Firefox, Iceweasel or SeaMonkey) and then access the URL about:plugins in order to check if your browser has detected the flash plugin located at /usr/lib/adobe-flashplugin/libflashplayer.so (it should be also visible by accessing about:addons and then the Plugins section). If you see something like Shockwave Flash 24.0 r0, then go to in order to check if the flash applet detects your NPAPI flash install and tells you which version you're currently using.
Restart your computer just to make sure that the applications menu shows your brand-new "Adobe Flash Player" control panel. If it doesn't, you should be able to start it by running this shell command:
Save the tarball into the /tmp folder with the name pepflash.tar.gz. If your browser automatically downloads the tarball, thus making it impossible for you to rename the tarball before the download starts, wait for the download to end, then go to the folder where the tarball's been put, rename the tarball to pepflash.tar.gz and then move it to /tmp.
You can now run your WebKit / Opera browser (only Opera versions prior to version 45), then access the URL about:plugins in order to check if your browser has detected the flash plugin located at /usr/lib/adobe-flashplugin/libpepflashplayer.so. Don't forget to click the Show details button (upper right) in order to expand the information fields and show extra info about each detected plugin. If you see something like Adobe Flash Player located at /usr/lib/adobe-flashplugin/libpepflashplayer.so, then go to just to make sure that the flash applet detects your PPAPI flash install and tells you which version you're currently using. If your browser is Opera version 45+ (version 45 or later), then the only way to check if the plugin is properly installed and functional is by accessing If the flash applet detects your PPAPI flash install, then flash is working on your Opera 45+ browser.
If the above solution doesn't solve the issue, follow the 6 steps provided at How to manually install Adobe's Flash PPAPI plugin for a WebKit browser such as Opera, then back up Google's PepperFlash plugin and create a symbolic link to Adobe's flash PPAPI plugin.
If e.g. your Chrome/Chromium browser is using PepperFlash plugin version 24.0.0.186 and you downloaded Adobe's flash PPAPI plugin version 24.0.0.186 (same version of Google's PepperFlash), then this is the shell command you'll have to issue after you install Adobe's Flash PPAPI plugin:
Anyway i wanted youtube to work with firefox sbut i did not want to click on the link that was on
youtube.com becouse i have heard its better to download stuff like this directly from the program makers website.
So i went to
www.adobe.com and downloaded the flash player, but when trying to install it it did not work i saw it was running in the task manager for a short while then it disappeared and when going on youtube it was the same upgrade your adobe flash player message.
So i downloaded it from there with firefox to see if it would make any difference but it did not work either!. Then i got a bit paranoid when i saw that the file had not the same name as the file from
www.adobe.com webpage.
Internet Explorer has a separate version of Flash Player from Firefox. You must install Flash Player for Firefox if you want Flash content to work in Firefox (and a handful of other browsers, like Seamonkey and Opera).
Flash Player (labeled "Shockwave Flash" inside the browser) and Shockwave Player (labeled "Shockwave for Director" inside the browser) are two different plug-ins that handle different content. The former is very popular, while the latter is more rarely used. You can find a comparison for developers below:
I was having this problem as well, did everything I could find on the net to try to resolve it, no help..... Adobe was at the latest version, then I realized what I had changed prior to the issue beginning. I had installed SPYBOT search and destroy.
Don't think that the problem is solved. I have Windows 8.1. Firefox keeps asking me to upgrade Adobe Flash Player. When I upgrade it, Firefox still keeps asking me for the upgrade. E.g. when trying to open , the page says: "Dieser Service erfordert eine aktuellere Version des Adobe Flash Players. Bitte aktualisieren Sie ihre Software" = "This service requires a more recent version of Adobe Flash Player. Please update your software." So I do: I download Flash Player 12, version 12.0.0.70, from , file install_flashplayer12x32_ltr5x64d_awc_aih.exe. I install it, then restart Firefox: SAME PROBLEM! There is a basic incompatibility between Firefox 27.0.1 and Flash Player 12.0.0.70 !!! Please fix that bug.In Google Chrome, there's not any problem like this. Should I switch to Chrome? I'd prefer not to.
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