I Raquel, it looks like you posted your question using Firefox. So Firefox is installed. But it's not working the way you expect? If you could explain the problem in more detail, that would be helpful. (Not by email, please come back to https://support.mozilla.org/questions/1390636.)

I no that my farmville2 is not working in this comp.I don't know what is the problem.

Hi Raquel, are you trying to use Farmville 2 on Facebook?

https://www.facebook.com/FarmVille2/

After clicking the tiny Play button above the line and waiting a very long time (not sure why) I got this message -- have you seen this? It sounds like the game doesn't run in the browser any more, but I didn't go through with the installation.