If you're having problems with Firefox crashing on your PC - the most likely culprit is Flash. You'll need the latest version of the Adobe's Flash Plugin which you can find here: http://get.adobe.com/flashplayer/ If the install fails using the above link the most likely reason is that your proxy/firewall is stopping the online installer from If you're having problems with Firefox crashing on your PC - the most likely culprit is Flash. You'll need the latest version of the Adobe's Flash Plugin which you can find here: http://get.adobe.com/flashplayer/ If the install fails using the above link the most likely reason is that your proxy/firewall is stopping the online installer from