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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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
2k views

Firefox won't integrate with unity launcher

After a recent firefox upgrade, the integration with the unity launcher went pear-shaped. Clicking on the Firefox icon does not move focus to the running firefox, but starts another firefox instance / ...
3
votes
3answers
937 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 ...
3
votes
4answers
1k views

How do I install Firefox 3.6? [duplicate]

Possible Duplicate: How to install Firefox 3.6 and 4.0 in parallel? I need to install Firefox 3.6 for plugin compatibility on Ubuntu 11, how do I install Firefox 3.6 so that it replaces the ...
3
votes
3answers
2k views

Gmail offline on Firefox 4.0.1: “Offline Mail is not supported by your browser”

I am using Ubuntu 11.04 and its default browser Firefox 4.0.1. A pretty standard configuration, so I am surprised that Gmail offline cannot be configured and tells me: Offline Mail is not ...
2
votes
1answer
256 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
3answers
528 views

How can I modify Firefox safe-mode to allow one extension to function?

When you enter: firefox -safe-mode it restarts Firefox in "Safe Mode" with the whole add on/extensions or settings disabled. See Safe Mode I would like to have a particular extension, ProCon ...
2
votes
2answers
9k 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
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2answers
1k 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 ...
2
votes
1answer
438 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
2answers
830 views

Firefox crashes very often - Attempting to load the system libmoon

Today Firefox started crashing whenever I'm trying to open the preferences editor, and also often during normal navigation. If I start Firefox from a terminal, when it crashes it returns the message: ...
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0answers
63 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 ...
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0answers
263 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 ...
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2answers
3k 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 ...
1
vote
4answers
6k views

Fonts look strange in firefox

I have just moved from Windows to Ubuntu 12.04 (with Firefox 11), and the fonts in some of my favorite sites (especially Hebrew sites) look strange. I looked at the CSS and saw such fonts such as ...
0
votes
0answers
54 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
2answers
268 views

Firefox's sub menus disappears after the screen saver is active [closed]

My Ubuntu's Firefox browser's sub menus disappears after the screen saver is active. When I click on a menu topic like 'File' the sub menu appears, but when I move the mouse to select a menu item, the ...
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votes
2answers
4k views

How can I execute couponprinter.exe to print Coupon.com coupons? [closed]

I have been using Microsoft since 3.11, fairly masterful in all things "Windows". Taking plunge into Linux without regrets! So far, so good. Ubuntu desktop for family, server with light GUI for me ...
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votes
3answers
38k 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 ...
18
votes
4answers
4k 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 ...
26
votes
2answers
8k views

What does “Would you like to install Twitter” mean?

Firefox in Ubuntu 12.10 pops up messages such as (similar messages for Reddit, Facebook, etc.): "Would you like to install Twitter for extra features and quicker access?" What do they mean? What ...
18
votes
2answers
106k views

How to install Java plugin for Firefox? [duplicate]

I am trying to install Java and plugins for firefox. I installed both jdk and jre. When I try with the sudo update-alternatives --config java command it shows only one choice available. Plugins are ...
5
votes
3answers
719 views

Adding x-scheme-handler without a popup in firefox

I have written a simple application which registers an "x-scheme-handler" in the .desktop file. Something like this:- [Desktop Entry] Name=Foo Exec=/usr/bin/foo %u Type=Application NoDisplay=true ...
12
votes
2answers
9k 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 ...
18
votes
2answers
17k views

Why can't Firefox run local .swf files?

My goal is trying to run .swf files through Firefox and NOT a standalone player. When trying to run local .swf files on Firefox 29.0 (currently on 14.04), the browser opens the Open With/Save File ...
10
votes
1answer
3k 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 ...
5
votes
5answers
11k views

Bad anti-aliasing in some applications

There was an update a few weeks ago that seemed to mess with anti-aliasing in some applications. Firefox, Thunderbird, and the text in some apps such as Mousepad and Leafpad (but not the rest of the ...
29
votes
1answer
12k views

Firefox Middle Mouse Button Scroll

How can I get the middle mouse button to behave correctly in Ubuntu? Clicking the middle button does not show the arrow which allows me to scroll the page by moving the mouse. Information: Firefox ...
14
votes
1answer
4k 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 ...
14
votes
3answers
9k views

Firefox: open downloaded files with system default application

When I download a file with firefox, it always asks me with what program I want to open it with, even when that type of file is recognized by the system, and I can double click on it in Nautilus and ...
9
votes
1answer
9k 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.
9
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1answer
2k views

How to embed evince in firefox 4?

I installed mozplugger and created the file mozpluggerrc with the following content according to this post but when I open a .pdf it opens in a separate evince window. is there a way I can truly ...
8
votes
2answers
2k views

How can I play AMR files in Firefox on Ubuntu?

I use Evernote to keep voice and text notes. Unfortunately, I've just discovered that I can't take full advantage of the cloud storage capabilities of Evernote, because the AMR files won't play in ...
5
votes
2answers
3k views

Ubuntu 14.04: Videos refusing to go fullscreen and freeze on Firefox

In Firefox on Ubuntu 14.04, just upgraded from 13.10, I can't make any video full screen without issues. When I tried it usual do this: video freezes, and sometimes you can hear the audio, but not ...
5
votes
4answers
3k views

My Facebook doesn't work on Ubuntu 10.10 but works on Windows XP

I have both operating systems installed on my PC, but Facebook only works on XP. I have tried Firefox and Chromium, but it works the first time, but after I log in it doesn't work, and can only open ...
10
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 ...
9
votes
2answers
10k views

Force Enable Hardware Acceleration in Firefox

Currently, in about:support (Firefox 30) the "Graphics" section states the following: Now, I know that Firefox has (for whatever reason) disabled the hardware accelerated features for Linux users. ...
8
votes
3answers
5k views

Ibus incompatible with Tor Browser in 13.10

I have recently updated to 13.10 from 13.04 and noticed a compatibility issue between the new Ibus and the Tor Browser. Basically, the Tor Browser does not accept any keyboard inputs, while all other ...
8
votes
5answers
6k views

“Open containing folder” in Firefox does not use my default file manager

My system default is Nautilus. But when I right-click in Downloads and choose "open containing folder", it opens Thunar and not Nautilus. How can I change that?
8
votes
2answers
3k views

How to make Firefox use the Gnome Keyring vault for password storage and retrieval?

With Chrome it is quite simple to use Gnome Keyring for password storage. But with Firefox 4 on ubuntu 11.04, I don't know how to achieve this. I remember that firefox 4 supposedly has OS integration ...
8
votes
5answers
9k views

Firefox application associations not working

No matter what changes i make to file associations (actions) in the 'Applications' tab in Firefox, they're totally ignored. For example, i set .wmv and .avi files to open with 'smplayer' but when i ...
7
votes
2answers
2k views

Why do firefox 4 and evolution always open maximized in Unity? [duplicate]

Possible Duplicates: Prevent Unity from auto-maximizing How to keep programs from launching maximized? 11.04 Why do Firefox 4 and Evolution always open maximized in Unity? Even after you ...
6
votes
1answer
6k views

How to fix the fonts in Firefox?

It has only stated today after installing KDE's system settings and configuring it to make KDE apps look native . Firefox has started using a thinner font. so how do i make it use the default ...
3
votes
2answers
3k views

Why do I have to enable the AppArmor profile for Firefox? Why isn't it “on” by default?

I have a pretty standard default install of 11.10 (Unity 3D). I'm trying to understand a bit about AppArmor. sudo aa-status shows me that the available Firefox profile isn't being enforced (since it ...
10
votes
3answers
4k views

Why doesn't Ctrl + F5 work in Firefox?

I'm using Xubuntu 11.04, and with a Windows XP in my VirtualBox. Both have latest Firefox 4 installed. But inside my Ubuntu, Ctrl+F5 never works, and because I don't know what else I could do to force ...
8
votes
1answer
5k views

Global menu bar integration add-on missing in Firefox 22 for Ubuntu 12.04

I just installed Firefox 22 via PPA, and during installation I noticed the global menu bar integration add-on version 22 also was included, but when I launch Firefox I cannot locate the add-on to ...
8
votes
6answers
3k views

Firefox Slow Performance

I have to say, firefox on ubuntu's performance is attrocious. Very quickly it gets into 100% cpu use (thank god I have multiple cores) and hundreds of megs of ram. Even closing tabs does not help the ...
7
votes
1answer
5k views

Should I force enable hardware acceleration in the browser?

Neither firefox nor chromium have hardware acceleration enabled by default right now. Firefox 4 has an option its registry to force it: layers.acceleration.force.enabled , which is by default set to ...
6
votes
3answers
2k views

How do I change the default browser?

Despite Chromium being set as my preferred web browser under "System Info", when I click a link in an IM window of Pidgin, it opens in Firefox. How do I make it so that links open in Chromium? I am ...
5
votes
3answers
2k views

Fonts in Firefox weird after installing kubuntu-desktop

I've installed KDE with the intentions to try it out, but now, after removing it and going back to Unity, I noticed that the fonts in Firefox are still like in KDE. How can I revert the font type to ...