Adobe Flash not working in Firefox

Question

I am getting following image everytime I try playing videos on Youtube or FB. I have already tried uninstalling flashlugin and then installing again. But, it didnt help. I also tried installing it via Synaptics, but even that didnt help.

Answer 1

Just install the Flash-Aid plugin. It will choose the flash version for your browser version. It worked for me even when adobe said that they will not support flash for FireFox anymore. https://addons.mozilla.org/en-US/firefox/addon/flash-aid/

Answer 2

There is another nice alternative, based on the solution of installing the package flashplugin-installer.

Open a command line and type

sudo apt-get install flashplugin-installer

This will install the default flashplayer for firefox. But in my case I use Chromium because its faster and cooler than firefox, in my opinion. Now we have to tell chromium where to find the path of this installation, since it isn't set by default. To do that, we execute the following command:

sudo update-alternatives --install /usr/bin/flashplayer flashplayer /usr/lib/flashplugin-installer/libflashplayer.so 1

wich basically tells ubuntu "hey, there is a plugin library called flashplayer inside /usr/lib/flashplugin-installer/libflashplayer.so". Now if you reopen Chromium, or any other browser I guess (and this is the pro of this solution), you should have a nice working flash plugin.

One point to note is libflashplayer.so may be located in another folder, so be sure to check first if you can find the file. If you cannot find the file by browsing into this folder, try finding it by typing

locate libflashplayer

If you still cannot find it, make sure you have a valid flash plugin installed.

Answer 3

"Terminal Way" for people who's avoid plugins:

Remove gnash and lightspark packages:

sudo apt-get --yes purge browser-plugin-lightspark
sudo apt-get --yes purge lightspark-common
sudo apt-get --yes purge browser-plugin-gnash
sudo apt-get --yes purge gnash-common

Then download file flashplayer*_XX_YYYYYY.tar.gz from http://get.adobe.com/flashplayer to some tmp directory.

cd /home/USERNAME/tmp

Unpack libflashplayer.so from archive, setting chmod, installing, hardlinking:

tar xvf *flash* libflashplayer.so
sudo chown root:root libflashplayer.so
sudo chmod 0644 libflashplayer.so
sudo mv libflashplayer.so /usr/lib/mozilla/plugins/
sudo ln -s /usr/lib/mozilla/plugins/libflashplayer.so /usr/lib/firefox-addons/plugins/libflashplayer.so

Remove unneeded archive

rm -f *flash*

Although it is only one method to tune your flash.
Fine tuning of lightspark or gnash also can be good choice.

Answer 4

I had this problem from a fresh install of Ubuntu 11.10 a few days ago. It's fixed easily by going to your "Ubuntu Software Center", search for flash, and install "Adobe Flash plugin". It will install the latest flash player. MAKE SURE you do not have "Gnash" it really interferes.