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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6answers
10k views

How do I know what version of Firefox I have?

Where is the menu in firefox so I can check what my firefox version is?
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0answers
53 views
+50

Black screen flashes on second monitor on Ubuntu 16

I upgrade my Ubuntu from 15.10 to 16.04 yesterday and after fixing some hiccups most things are working fine. However, I have one very annoying bug that lets my external monitor (connected to the ...
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0answers
18 views

Start firefox using apparmor (for extra security)

I'm having some trouble starting firefox with apparmor. Here's what I've run: $ sudo aa-enforce /etc/apparmor.d/usr.bin.firefox $ firefox /usr/lib/firefox/firefox: error while loading shared ...
3
votes
3answers
38 views

Upload dialogs for Firefox and Chrome now differ; FF's doesn't include network drives

As long as I can remember (and I've been running 14.04 LTS since its release!), Firefox and Chrome have both used the same upload dialogue for, e.g., Gmail, or StackExchange image uploads. Chrome, ...
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0answers
32 views

Cannot watch streaming wmv on Ubuntu 16.04

Cannot watch streaming wmv on Ubuntu 16.04 64bit for example this link: digichannel.go2school.com.tw/lt/main.asp?page=dailyTV Neither Totem nor VLC will do the job. There are still many sites using ...
0
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1answer
36 views

Can't read text in web forms since firefox uses dark theme by default

Since a couple of years, I have the dark desktop theme by default. Since I upgraded to Ubuntu Gnome 16.04 a week ago, firefox upgraded with it, and it now uses a dark theme as well. That's okay with ...
0
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1answer
17 views

I've removed Firefox but keep getting prompts for English language pack

I've uninstalled Firefox, but keep getting English language pack for Firefox offered to me via the updater. Is there a way to make sure this never happens again? I just checked languages under system ...
11
votes
2answers
507 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 ...
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0answers
14 views

Remove Oracle JRE 8 browser plugin installed

I'm on 14.04 and have the ppa Java 8 installer running on the box. It's okay to have it to install Java 8 in general, but in detail it has the flaw (at least in the way I use it) that it installs a ...
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0answers
14 views

Firefox deletes all my passwords and some addons

When I shutdown my ubuntu with firefox open after I booting back up all my passwords and addons disappear... looks like firefox restores it's state to factory... Except that cookies are still in ...
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2answers
71 views

Firefox 46.0 screen is black

Ubuntu 14.04 LTS Yesterday (4/27/16) Ubuntu installed several updates. Afterwards, when I started Firefox (46.0) the screen flashed white then went black. It was not maximized. I reduced the Ff ...
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0answers
41 views

Firefox browser is often crashing

I'm new to Linux distribution and now I'm using Ubuntu 16.4 in my laptop. In Ubuntu the Firefox browser is keep on crashing often. I don't know the reason and don't know how to fix this error. Need ...
0
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1answer
4k views

Mozilla Firefox hangs in Ubuntu 14.04

I have recently upgraded my system from Ubuntu 12.04 LTS to Ubuntu 14.04 LTS. In the beginning everything was fine. It has been happening from 2-3 days that whenever I play any video on youtube, ...
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0answers
13 views

Firefox crashes ubuntu 15.10

I am very new. I just installed ubuntu 15.10 last week and I have several questions. This question is about firefox. The first time I started firefox that came with the in the package, the screen ...
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3answers
20k 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.
0
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1answer
16 views

How can I use Pearson's ePEN java applet on Ubuntu?

Like many others, I mark exams for Pearson. This is done online using a Java applet called ePEN from this site, and the 'minimum system requirements' attempt to force us to use Windows & Internet ...
1
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1answer
138 views

Firefox right-click-menu black

I just upgraded firefox to v. 46.0 and found out that something funny is going on there. When performing a right-click the opening window has got a black background and the writing is in white. That ...
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0answers
27 views

Ubuntu tablet touch keyboard not working with firefox

I have preinstalled Firefox in my brand new Ubuntu tablet, but I can not use it because touch keyboard does not comeavailable. Any idea why?
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3answers
2k views

How to uninstall firefox developer edition in ubuntu

How do I completely uninstall Firefox developer edition, I tried by uninstalling from Ubuntu software center, it gets uninstalled but if I re install firefox then again its switching to Firefox ...
1
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0answers
15 views

Print margins on Firefox (also with Print Edit)?

How can I edit the print margins in Firefox in Ubuntu 14.04? I would like to print a page in A3, with custom page margins, to a PDF... There are suggestions out there like "setting print margins is ...
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0answers
13 views

how do i reinstall wifi card drivers

I'm very new to Ubuntu but (like an idiot) I decided that it would be a good idea to play around in the terminal. I was trying to fix Firefox as it was terribly slow. as far as I can tell my computer ...
0
votes
1answer
64 views

How to make apps use Unity's scrollbar?

How can I make other apps display the same, slender kind of scrollbar that for example Files (the default file browser for Ubuntu) uses? To be precise I want this scrollbar everywhere, especially in ...
0
votes
2answers
126 views

How to use a downloaded Firefox and be able to launch it (with its icon) from the Unity toolbar? [closed]

I downloaded Firefox from the official website. I've extracted the tar.bz2 and moved the folder to /opt/firefox. My questions are: Is opt the right place to place the Firefox folder? I don't ...
1
vote
1answer
209 views

Ubuntu Problems with Firefox 44 and Firefox 45

I am a user of Ubuntu 12.04 x64 almost since its release and i can say that i am very satisfied with it. But recently i ran into two problems both concerning Firefox which is my main browser. When ...
2
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0answers
54 views

Websites not loading in Ubuntu in both chrome and firefox

I am running ubuntu 14.04 and i am using a DSL Connection.From last few days i am having problem in loading some websites like ubuntuforums, hackerrank, mdn etc. I have tried alsmost all solutions ...
3
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1answer
332 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 ...
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0answers
283 views

Citrix receiver problem on Ubuntu 16.04 [on hold]

I have installed Ubuntu 16.04 and the Citrix receiver v. 13.3 for Linux following the instructions on the Ubuntu Wiki, but it doesn't work. I am running Ubuntu 64 bit and have enabled i386 multiarch, ...
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0answers
20 views

Kubuntu: Firefox and Thunderbird display generic icon for launcher

My system was installed with a Kubuntu 14.10, upgraded to 15.04 and now it's a 15.10. Both firefox and thunderbird have launchers in my 'task manager'. For both applications, I get the same generic ...
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0answers
14 views

firefox audio doesn't work after using skype

After using skype (as videophone) audio from youtube films (and from all films viewed by firefox) doesn't work. Video is ok, sound is turned off. Films viewed by totem has the same problem. On the ...
17
votes
4answers
10k views

Disable CTRL+Q in Firefox without keyconfig extension

How do I disable the Ctrl + Q shortcut in Firefox without using the keyconfig extension?
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2answers
493 views

How can I watch Netflix on 16.04 with either Chromium or FireFox? [duplicate]

I installed Ubuntu 16.04 on my laptop and want to watch Netflix on it. However, when I click on a show, it redirects me to their systems requirement page: "Netflix system requirements for HTML5 Player ...
0
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1answer
25 views

Firefox doesn't render Dravidian scripts (Telugu, Tamil, etc.) in 16.04

I upgraded to 16.04 and all Dravidian pages (in Kannada, Malayalam, Tamil and Telugu) have become blank rectangles. No problem with the Nagari-based North Indian languages (Hindi, etc.). The other ...
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0answers
20 views

PepperFlash Problems

I need help with a 'Flash' issue on my 32 bit Ubuntu 15.10. While I am not a complete novice to Linux I am no means an expert, and it appears I need one that can talk a proverbial five year old ...
0
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1answer
23 views

Laggy Youtube performance

Youtube works fine in Windows, but in Ubuntu GNOME 15.10 video is very not smooth. Framerate drops, the lag is very visible when things move on the screen. both Firefox and Chromium have this issue, ...
0
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1answer
2k views

How to setup Belgian eID Ubuntu 14.04

I want to use my Belgian EID to login to government websites online. How do I set this up in Google Chrome and Firefox in Ubuntu 14.04? Thanks!
2
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2answers
1k views

Programs to combine bookmarks?

I've recently been having some issues with xmarks and found that it hasn't been syncing my chromium and firefox bookmarks correctly. Is there a way to combine the two bookmark HTML files? Preferably ...
0
votes
1answer
22 views

Is there any way to prevent application from changing volume level of my microphone?

I've recently switched from Windows to Ubuntu(15.10), it's my first experience with GNU/Linux and so far it was flawless except for one thing: During facebook calls(it's based on Skype afaik, but it ...
1
vote
1answer
2k views

Youtube controls missing

I'm running 14.04 I've noticed recently the control buttons are missing from all Youtube videos I try to view. I can still click on and use the controls (play, full screen, etc.) but they are all ...
1
vote
1answer
71 views

How can I access files downloaded from firefox on ubuntu touch in convergence mode

Issue occurred on my BQ Aquaris M10 Ubuntu Edition with the latest update applied as of Monday 22nd of April 16. When I download a file in firefox in convergence mode firefox can see that it's in the ...
7
votes
1answer
3k views

Pressing backspace doesn't open previous page in Firefox

In Windows when I press the backspace key it goes to the page I surfed before, why doesn't it work in Ubuntu 10.04? How to make it work?
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0answers
27 views

PHP on the browser just asks to open or download [duplicate]

I got a Php file and i am trying to open it with Firefox, but that does not happen what info should i provide? what i see is that it wants to download the file and not see it. I have Apache 2 and Php ...
0
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0answers
17 views

OS is not booting and running properly

I am using Ubuntu 14.04 LTS with Ubuntu-MATE desktop environment.Since the last kernel update I am getting error after GRUB Errors were found while checking the disk drive for /. Press F to attempt to ...
0
votes
1answer
21 views

firefox / html5 video /wifi

Got the strangest experience. Firefox on Ubuntu (14.04) does not play html5 video (eg YouTube) it plays a few frames and then stops. When I disable my wifi adapter (button or software disable does ...
0
votes
0answers
17 views

How do I remove update packages from Ubuntu update center?

After removing firefox, the ubuntu update service(daily update check) keeps asking me to install/upgrade different packages for firefox even though firefox isn't there. How can I get it removed(for ...
0
votes
2answers
4k views

Shockwave Flash 17.0 for Linux

When I first installed Ubuntu more then year ago, I also installed Shockwave Flash plugin and its automatic updater. Then I learned (as many newbies did) that Adobe does not updating it after version ...
105
votes
8answers
68k views

How do I install the Firefox Developer Edition?

Mozilla released the Firefox Developer Edition! How do I install it on Ubuntu? Source: Mozilla Releases 'Firefox Developer Edition' for Windows, Mac and Linux - OMG! Ubuntu!
8
votes
1answer
401 views

Ubuntu Touch: no onscreen keyboard in Firefox?

How can I open an on-screen keyboard in Firefox on Ubuntu Touch (bq M10, OTA10.1)? I've tried in both tablet and desktop mode, and no keyboard pops up. I tried some other things, such as dragging from ...
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0answers
173 views

bq M10: keyboard problems with Firefox

On the bq Aquaris M10, with Ubuntu Touch OTA10.1, I frequently encounter problems with Firefox. In particular, keyboard input from a Bluetooth keyboard randomly doesn't work anymore until I close and ...
0
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0answers
12 views

How to make the browser pop to the front when clicking on links from another app?

For example, when I click on a link on thunderbird, the link is opened in a new tab in chrome, which is great BUT, chrome stays in the background :( Same with FF when it was the default browser. ...
2
votes
1answer
782 views

How do I run Firefox OS as a standalone application?

I got the add-on for the Firefox OS simulator, and it works great! It even keeps functioning after Firefox is closed, so I can save processing power for other things. I'd like to run it as a ...