I have installed Ubuntu 11.10 in my system with gnome shell.
When I try to watch any videos on any video streaming website in Firefox, I am not able to watch. At the same time those videos can be played in Chromium browser.
I have already installed Flash 11 and the Flash plugin for Firefox as well.
Best Answer
I had a similar issue before. Try to remove flash first by running the following command in a terminal:
Then try to reinstall flash with this command:
That worked for me.