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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11
votes
2answers
19k views

Why is Firefox so slow?

After updrading to ubuntu 12.04 LTS (on a DELL Studio XPS) firefox is not working like it should. It takes a lot of time before launching (> 20 seconds) and the application is abnormally slow, not to ...
7
votes
1answer
2k views

Ctrl+F4 doesn't work in KDE for Firefox / Chrome / Chromium

I observed that the shortcut for closing a tab in Firefox/Chrome/Chromium (Ctrl+F4) doesn't work on KDE. It seems it is being intercepted by KWin. Is there any fix or workaround for this problem?
3
votes
5answers
1k views

YouTube won't work after the Ubuntu Upgrade to 15.10

So I upgraded to the beautiful Ubuntu 15.10 Wily Werewolf and the only probem I found is that YT videos doesn't work anymore and it changes the new video interface with the old one to work somehow. ...
3
votes
2answers
4k 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 ...
2
votes
6answers
20k views

Firefox profile cannot be loaded after upgrade

I upgraded from 11.10 to 12.04, now when I try to run Firefox from the icon it pops up this: "Missing Profile. Your Firefox profile cannot be loaded. It may be missed or inaccessible." I already tried ...
9
votes
2answers
13k views

Mouse wheel click scrolling in Firefox

Just installed Ubuntu 11.10. Been a while since I used any distro and I'm very impressed. To be difficult, does anyone know how to enable the middle mouse button scroll option when browsing? I don't ...
5
votes
1answer
814 views

Newly installed Firefox 43 crashes when videos are played

Both my wife and I have 12.04LTS on our desktop PCs. Last Saturday a routine apt-get upgrade upgraded us from Firefox 42.0 to Firefox 43.0. The new version crashes consistently if you try to play and ...
4
votes
1answer
8k views

How to get rid of the DNS Unlocker adware?

From this morning I'm witnessing unfamiliar ads apearing in different pages while using Firefox which they say "Ads by DNSUnlocker". I searched for it and it seems this is a known adware infecting ...
4
votes
2answers
6k views

Shockwave Flash crashes with Chromium and Firefox

Since updating to Ubuntu 13.10, Shockwave Flash does not work in Chromium or Firefox. Both show a "Shockwave Flash has crashed" dialog. Chromium 29.0.1547.65 After loading a page with a Flash video, ...
4
votes
1answer
2k views

Troubles with Acrobat Reader within Firefox?

I just built a new machine and installing Acrobat was last step in process. Am running Thinkpad X210 with 10.10 64-bit. I've always been able to reliably open PDFs inline from the web; however, when I ...
4
votes
5answers
13k views

How to Fix Firefox when it freezes completely after open it?

First time ever today Firefox Version 3.6.13 freezed for me on Ubuntu 10.10 64bit. I open Firefox normally but then nothing respond on the GUI.The only thing I can do is close it. When Closed I try ...
3
votes
1answer
338 views

Dragging and dropping from browser to Nautilus saves link instead of file, how to change default action?

When I drag and drop -- say an image -- from any internet browser to the desktop or any folder under Nautilus, it will save it as a Link. Now if I hold down Ctrl while I drag and drop, it will ...
1
vote
1answer
1k views

Firefox fonts changed after install ttf-mscorefonts

My question is probably simple but I can't find a way to revert it to the previous state. After installing mscorecofonts (which was installed during pipelight installation) my fonts in Firefox went ...
14
votes
3answers
16k views

Configuring Firefox to use a proxy from the command line

I'm looking for a way to tell Firefox to use a proxy in Ubuntu Ludid (10.04.1 LTS). I'm installing Ubuntu semi-automatically on several identical machines. For this, I use a script that, amongst ...
9
votes
9answers
47k views

Flash not working in Firefox

I have installed Ubuntu 11.10 in my system with gnome shell. When I try to watch any videos on any video streaming website in Firefox, I am not able to watch. At the same time those videos can be ...
7
votes
4answers
19k views

Cannot locate Ubuntu Software Center via Firefox to open APT links

I'm trying to locate where the Ubuntu Software Center is to choose as default for handling APT links in Firefox. I can click on the links, and I get the pop-up, but Ubuntu Software Center is not ...
7
votes
7answers
2k views

Why is the font spacing on some websites broken?

I am using Ubuntu 12.04 on a Dell Studio 15 and so far am really impressed. I could not find a solution for my problem by googling. The fonts on some websites do not have proper spacing. they ...
6
votes
1answer
21k 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
868 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 ...
6
votes
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 ...
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 ...
5
votes
3answers
968 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
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
993 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
4answers
987 views

Opening a file opens the folder the file is in, not the file itself

Whenever I try to open a file (such as an .odt, or .doc) from say, the Dash or the Firefox Downloads, Ubuntu 11.10 opens Nautilus to the the folder where the file is, rather than just going to the ...
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
0answers
1k views

Ubuntu Studio 12.0.4 & Mozilla Firefox Input Text Glitch [closed]

I am experiencing a serious issue with the "Dark Theme" functionality in Ubuntu Studio 12.0.4 (Low Latency) & Mozilla Firefox 17.0.1. The Google Search Engine Field input text is rendering "Light ...
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
2answers
4k views

How to delete and create a new firefox profile from tty1?

How to delete and create a new firefox profile from TTY1?
1
vote
1answer
6k views

Can uGet downloader be used as downloader for Firefox without Flashgot?

I use Flashgot and know what it can do, but it seems that at least for the moment there's a problem with the way it works with uGet in recognizing the names of videos (see a comment under here). I ...
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
254 views

Ubuntu 14.04 stopped booting suddenly

I've had Ubuntu 14(Trusty, then Unicorn) since not long after it came out, and I have enjoyed the system without any real significant problems.....until not much earlier today, that is. It started ...
0
votes
1answer
282 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
442 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 ...
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
2answers
10k views

How can I join a Skype Public chat via links?

In Windows, I can join a Skype Public chat by pasting a Skype chat link into a web browser's address bar (or clicking a link which contains that URI), but it doesn't work in my Ubuntu 10.04 using ...
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
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
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 ...
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
662 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
719 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
1k 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
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
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 ...