Mozilla Firefox is a free and open source Gecko-based web browser. It is the current default for the Ubuntu desktop.

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6
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2answers
1k views

Where should I start in tracking down Firefox malware

Switched my sister to Ubuntu because I got tired of re-installing the other OS every 6 months. Now she managed to get some malware in her Firefox on Ubuntu. Without access to the computer (or when I ...
6
votes
1answer
22k views

How can I use Cisco WebEx in Firefox on 64-bit Ubuntu 14.04?

I would like to view screen shares and share my screen via WebEx. I have Firefox installed on Ubuntu 14.04 (64-bit). I can join a meeting, but when I try to share my screen or see others' screens, ...
6
votes
3answers
883 views

Switching off images in Firefox

In older versions of Firefox there was an option to switch off loading of graphics. Now, in 28.0 I can no longer find it. It uses to be in [Edit] -> [Preferences] -> ... Is there a simple way ...
5
votes
3answers
971 views

Desktop dims when Thunderbird and Firefox are launched

I am running Ubuntu 12.04 (almost default install regularly updated) Unity interface on ASUS X53U (AMD Brazos Dual Core C60 with 2GB RAM). On launching Thunderbird and Firefox, the application dims ...
5
votes
2answers
6k views

Firefox 39 crashing

I already asked this on Firefox support but still no anwer so maybe someone here knows how to fix this. After I updated Firefox to version 39 I can't use it at all, it crashes all the time, I couldn'...
5
votes
6answers
2k views

Why does removing Firefox install another browser?

I want to remove Firefox (with sudo apt-get purge firefox*) but without installing the Epiphany browser. How can I do this? I want to remove Firefox because I want to use Google Chrome as my default ...
4
votes
3answers
997 views

Firefox becomes default browser after upgrade. Cannot revert to Google Chrome

Upgraded my notebook to Natty Beta 1 two days ago. All seems to be in order except for a very annoying little thing. I used to have Google Chrome as my default browser, and after the upgrade, this ...
3
votes
5answers
4k views

How can I get Firefox to use Dolphin instead of Nautilus?

I am using dolphin as my file manager and when I download something via firefox, I right click the download dialog and choose "open folder", I always get nautilus. Why doesn't firefox open the ...
2
votes
5answers
3k views

ctrl + a doesn't work in browsers

The combination for select all (Ctrl+A) doesn't work in a browser (either if we speak about firefox or chromium). It doesn't work if I try to clik in to the adress bar nor if I try to use it to select ...
2
votes
1answer
312 views

Occasional artifacts when displaying characters

To summarize the answer: switching to proprietary drivers should work, but the artifacts disappeared for me even on the free drivers now. Update: since switching back to the proprietary AMD driver (...
2
votes
1answer
4k views

Flash player + YouTube HD = crashing plugin

I've installed Ubuntu with Wubi, on my WinXP system. I cannot seem to get YouTube videos to play in HD (using Firefox 6) without crashing. I tried gnash first, but that did not seem to be quite ...
1
vote
1answer
5k views

I can't find the file 'transmission' on my computer with the search function

I went to download a torrent today and Firefox asked me to choose an application to do so (although the bit torrent files normally go to transmission per the permissions I've set in Firefox). I go to ...
0
votes
1answer
285 views

Searching text on google in LibreOffice (from context menu or otherwise)?

Is it possible to search a text in google or other search engine in Firefox from context menu in LibreOffice? Translating texts I need to go to the internet to look up the words and see context etc. ...
10
votes
1answer
443 views

What is an “integration script” and why would I want one?

When I navigate to Launchpad in Firefox, a pop-up appears: I think, despite its failure to form a coherent question, it's trying to ask me if I want to install an "integration script" called "unity-...
7
votes
2answers
1k views

How to remove Firefox from update manager?

I uninstalled Firefox some days ago, because I use another browser. It appeared yesterday as an important security update. I can uncheck every package associated with it, and install the remaining ...
4
votes
2answers
4k views

Is running Latest Firefox on older versions of Ubuntu possible?

Is running Latest Firefox (ver. 16) on Ubuntu 8.04 possible? If so, what do I need to do to accomplish this? (If I can keep that latest support Firefox 3.6.17 alongside the latest Firefox 16, that's ...
4
votes
2answers
7k views

Kubuntu 12.04 Firefox and Rekong don't know how to open downloaded files

I just installed Kubuntu 12.04 beta 1. Both Rekong and Firefox don't know how to "Open Containing Folder" for downloaded items. They also don't know how open the item itself. (I'll give the specific ...
4
votes
1answer
182 views

How to fix the scrollbar new behaviour in Firefox

This question has already been asked (How to fix GTK3 scrollbar behavior) but I don't know how to implement the answer: If I click in the scrollbar below or above the thumb it moves to the spot I just ...
3
votes
2answers
2k views

What is the 64-bit Firefox Beta PPA?

I recently discovered that my computer is 64-bit. I have backed up my Home folder, and reinstalled Ubuntu. The reinstall wasn't nearly as painful as I thought. There is one thing that I can't quite ...
3
votes
2answers
2k views

Diagnosing persistent Flash streaming failure for DRM content

I'm trying to implement the fixes from Adobe (as mentioned in this other question) but I'm having no success. I'm running 64-bit 12.04. When I try the Flash test as described on this Adobe guide: ...
3
votes
3answers
1k views

Web browser downloads only open target folders - cannot open files

After installing xubuntu packages in order to check xfce, I reverted back to gnome2. During the first login, I noticed that thunar was now selected as the default file manager. Preferred applications ...
2
votes
2answers
4k views

How to create my own webapp unity integration?

I'm trying to create some webapps to use with Firefox. I got an tutorial from Canonical (http://developer.ubuntu.com/resources/app-developer-cookbook/unity/integrating-tumblr-to-your-desktop/) and I ...
2
votes
1answer
452 views

Slowdowns while using Firefox

I have Windows 7 and Natty installed on my computer. There is no problem on Windows 7's side, but whenever I log into Natty, it slows down while using Firefox 4. I tried it in normal mode using Unity ...
2
votes
1answer
686 views

Firefox 37.0.2 not opening (removing firefox did not help) runing ubuntu 14.04 LTS

Opening firefox through the desktop icon will show the loading cursor, but a few seconds later it will stop loading and never open a firefox window. It is possible to load firefox from the terminal, ...
2
votes
1answer
735 views

the output when I start firefox from Terminal

I was curious and wanted to see if I could start Firefox using Terminal. So I typed firefox in Terminal, and it displayed the message below (process:5199): GLib-CRITICAL **: g_slice_set_config: ...
2
votes
2answers
10k views

Installing Moonlight? Extracting .crx files?

I am trying to install moonlight on my 13.04 64-bit ubuntu system. I am using chromium as my main browser and firefox as backup. I read that to install the moonlight downloaded .crx file in chromium, ...
2
votes
1answer
783 views

Firefox doesn't show texts [closed]

My Firefox doesn't show text on some sites, such as Google: I use Firefox 29 and Ubuntu 14.04 (Trusty Tahr).
1
vote
1answer
8k views

Flash player alternative for firefox

I am searching for an flash player alternative for firefox Yes I am using chrome and I know that it has its own flash version however I am used to Firefox, and it is hard not to have videos in ...
1
vote
2answers
9k views

Clearing firefox's cache [duplicate]

Possible Duplicate: How can I get the menu bar in firefox? I have ubuntu installed on my mac with VirutalBox. Firefox is installed and I want to clear the cache of Firefox. I don't find any ...
1
vote
0answers
264 views

Flash Player works on Firefox, but not on Chromium? [duplicate]

I want to play online games, and other online stuff that requires Flash Player on the internet. Flash Player works just fine under Firefox, but in Chromium I just get a blank page. I don't know what ...
1
vote
3answers
14k views

Firefox 34 - Black screen playing Adobe flash videos

After upgrading to Firefox 34, Flash videos stopped working. A black screen was presented, with no hint to the problem. Following these instructions and these other instructions, would prove futile. ...
1
vote
0answers
93 views

Ubuntu 14.04 offset mouse clicking in browsers [duplicate]

I'm having this problem with chrome and firefox, and only when clicking the minimize button and then bringing the window back by clicking on the respective launcher icon. Once maximized, the mouse ...
0
votes
0answers
62 views

How do I install Flash? [duplicate]

My friend has installed Ubuntu but I know nothing about the system and she is no longer around. How do I install an application that would allow me to view things on Youtube,Netflix or things like ...
0
votes
1answer
4k views

Terminal command to open URL's in default and non-default browser

I found this Ask Ubuntu question about how to open a URL in your default browser using the Terminal. Basically, you use the command xdg-open http://google.com My default browser is Firefox. But ...
33
votes
4answers
61k views

How do I launch a remote firefox window via SSH?

When I SSH to a remote box $ ssh -X remotebox then start firefox on the remote box remotebox$ firefox and I have firefox running on my local machine, a local firefox window will open. no firefox ...
9
votes
3answers
21k views

How to integrate KeyPass2 and Firefox using Keefox/PassIFox in Ubuntu 14.04 - 16.04

I have already Installed KeePass2 and also installed both Add-ons Keefox, PassIFox. But I don't know how to integrate it. Pls help me with the instructions.
25
votes
6answers
47k views

Mozilla Firefox terribly slow on Ubuntu 14.04

It is being observed since my upgradation to Ubuntu 14.04, that the Firefox browser is terribly slow. Can anything be done about it?
18
votes
4answers
5k views

How can an application (like Firefox) be forced to use a certain network interface?

I've two interfaces: eth0 and wlan0 on a notebook. Possible use cases: eth0 grants me Internet access, and wlan0 is currently connected to a router which does not have Internet-connectivity. For ...
13
votes
2answers
13k views

how to resume download in wget which is integrated with firefox via flashgot

I use wget as a downloader. It is an excellent, outstanding application. I integrated it with Firefox using Flashgot. How can I resume a download which was stopped by a CTRL+C key press or a shutdown ...
19
votes
4answers
37k views

How can I tell whether my Firefox is 32 bit or 64 bit?

I have a 64-bit Ubuntu. For the preinstalled Firefox I had to download the 64-bit plugins (Flash, Java); the 32 bit plugins didn't work. Then I downloaded Firefox from mozilla.org, which just has one ...
13
votes
1answer
4k views

How to run a web browser as a screensaver

I would like to set up a custom application (a separate profile of Firefox browser in my case) to be fired instead of screensaver. I am using Gnome desktop environment. Technically it doesn't have to ...
11
votes
1answer
14k views

How do I set up a local SOCKS proxy that tunnels traffic through SSH?

Assume I have access to an SSH server that supports tunneling, and I am on a PC that is running *ubuntu, how do I set up a local SOCKS proxy that tunnels the traffic through that SSH server before ...
18
votes
3answers
2k views

How do I get rid of the Ubuntu scrollbars and theming in Firefox 46.0?

I'm running Ubuntu 16.04 and I've just upgraded the firefox package (released today) from 45.0.2 to 46.0. The release has brought an unwelcome change; the ugly Ubuntu scrollbars, and even uglier ...
17
votes
3answers
8k views

How do I enable overlay scrollbars in Firefox?

I like the overlay scrollbars that come with natty beta 2 by default! How do I enable them on fx4?
10
votes
2answers
20k views

How to downgrade Firefox from 30 to 28?

I've accidentally sudo apt-get upgrade (while c/p-ing instructions to do something and failing to notice that it isn't sudo apt-get update) and it upgraded Firefox from 28 to 30. Now my menus are ...
8
votes
1answer
3k views

emacs keybindings in ubuntu 12.04 [duplicate]

I am trying to get Emacs-like Keybindings in GTK, Firefox, Chrome, etc. I have followed the directions recommended here (and in lots of places) but to no effect. In other words, I added gtk-key-...
17
votes
1answer
6k views

How can I use Firefox's built in PDF viewer?

I downloaded firefox 19 and executed it on my Ubuntu 12.04 machine. I went to a website with pdf links, clicked on one of them, hoping to have it shown in the built-in pdf viewer in Firefox 19, but ...
16
votes
1answer
16k views

Firefox not affected by gtk theme

How can I make firefox use Adwaita theme like all other apps do? Good: Bad: Preferably also make web pages darker as well.
12
votes
5answers
1k views

Emacs keybindings for textboxes in firefox?

I'm so used to emacs that sometimes, when I'm typing something in a textbox in firefox, I sometimes try and do C-p to move up a line. It is seriously annoying to have to cancel a print dialog box ...
10
votes
3answers
26k views

How can I get chromium-browser to run fullscreen (not kiosk) in 12.04?

I have created a restricted user which logs in automatically and Chromium runs the default home page with the screen starting maximized but I want it to run in fullscreen (F11) mode. I tried kiosk ...