Regarding pre-installed firefox
34912
Why are the two versions of Chromium and VLC available in Ubuntu software of different sizes?
78666
How install the latest FileZilla from its official site?
56381
How to set Google Chrome as the default browser?
40116
How can I tell whether my Firefox is 32 bit or 64 bit?
50658
How can you detect the version of a browser?
115632
Running Multiple Instances of Firefox
110563
A profile makes mozilla firefox killed. How to repair?
120077
Why is Chromium not updated automatically as Firefox is?
50559
All of my Firefox add-ons have been disabled suddenly, how can I re-enable them?
93002
How can I get Firefox to use Dolphin instead of Nautilus?
153742
Firefox browser opens but URL is not launched
26041
Firefox thinks I'm using and older Flash version
91802
How can I restore Mozilla Firefox crashed session from "sessionrestore-backups" .jsonlz4 file?
45553
How do I install the latest stable version of Firefox?
67325
Firefox Web Console Disabled?
4218
How to install Internet Explorer (multiple versions)?
37970
How can I resume an interrupted Firefox download?