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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17 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 ...
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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 ...
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1answer
30 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 ...
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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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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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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 ...
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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 ...
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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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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 ...
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2answers
68 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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47 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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26 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
36 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
14 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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1answer
126 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
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 ...
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2answers
471 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
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 ...
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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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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 ...
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1answer
24 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 ...
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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, ...
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0answers
16 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 ...
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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 ...
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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 ...
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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 ...
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2answers
491 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 ...
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170 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 ...
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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. ...
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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 ...
8
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1answer
393 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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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 ...
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0answers
272 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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246 views

distorted images, flash not loading properly, and chrome crashing on start

Yesterday I noticed several strange things happening. I noticed flash crash on BBC iplayer - I could not get it to start properly even after re-installing - it will load, but when you press play it ...
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0answers
7 views

How do I get Flash updated for 15.04 (Vivid)? [duplicate]

I'm running 15.04, and I generally use Firefox for most stuff. Since February, Firefox has deprecated Flash with extreme prejudice: Flash Player Plugin on Linux 11.2.202.554 to 11.2.202.559 ...
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1answer
23 views

Where do I find Firefox NoScript .xpi on my system?

Ubuntu 14.04 32bit, Firefox 45.0.1 I have checked the following folders: /usr/lib/firefox-addons/extensions /usr/lib/mozilla/plugins /usr/lib/firefox-addons/plugins ~/.mozilla/firefox ...
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1answer
24 views

firefox's profile is inaccessible after system reinstallation

I reinstalled the system on the same partition, (home is on a different device) the version is the 14.04 LTS, unfortunately the Firefox profile is not loaded. How I can fix it?
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18 views

Save battery by setting apps in inactive workspaces into a state like minimized

I'm interested if it's possible to make GUI applications on inactive workspaces (Unity) to behave like minimized GUI applications (is it the idle state?) in order to save battery life. What I mean ...
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42 views

Firefox Gstreamer vaapi

I have a laptop with not much CPU power, so I want that Firefox and Gstreamer (and maybe Rhythmbox) uses the VAAPI on my Ubuntu 15.10. vainfo gives me already the following output, so the vaapi driver ...
4
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0answers
24 views

How to package a browser plugin and a gui app in a snap package

My app is a gui app (qt) and a browser plugin. The plugin is used only for firefox. When the user clicks a button I want to open my gui-app. I would like to use a snap package to do this, but I can ...
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0answers
28 views

Trouble outputing audio CHROME/FIREFOX

I am having trouble using the headphone jack on Ubuntu 15.10 in a iMac. I have sound output coming from the OS and from the test inside sound control panel, but not from browsers and some apps. I can ...
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1answer
21 views

How do I recover from Firefox safe mode overwritting my preferences?

My computer has a hardware fault and crashes frequently (but not often enough for me to replace it). Firefox did not like the crashes and offered me to start in safe mode. Somehow, even after restart, ...
3
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0answers
40 views

.desktop file will not open with SpaceFm

While using Google Chrome I often drag website links from the address bar into a folder on the desktop for later reference. This creates a .desktop file that is essentially a link to a webpage. ...
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1answer
44 views

Firefox plays videos without sound

After I installed Amarok (which I have uninstalled since then), Firefox doesn't produce sounds when I try to stream some websites, for instance these ones: ...
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0answers
17 views

Xubuntu opens a new firefox instance on extern link

I set up Firefox Developer Edition on Xubuntu and switched the Preferred Applications entry to /opt/firefox/firefox "%s" (the installation directory.) Now, whenever I click on a link outside of ...
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1answer
12 views

Something resets my FireFox PAC file setting

I'm trying to set up proxy autoconfiguration in my FireFox 45.0 under Kubuntu 15.10. I'm specifying a path to PAC file in FF's Preferences\Advanced\Settings\"Automatic proxy configuration URL". It ...
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0answers
8 views

How to auto open web browser on network connect

Sometimes when I come across certain networks i.e. (school, work etc.) that need me to open my web browser to authenticate. Does anyone know how I can make it so when I connect to a specific SSID ...
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0answers
42 views

Firefox 45.0.1 doesn't play videos when run as a different user on ubuntu 15.10

If something similar has already been posted somewhere: sorry about that; I am noobish... I have a newly installed Ubuntu 15.10 and I'm trying to run firefox as a different user (lets call this user ...
4
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2answers
65 views

Is it possible to notify with NotifyOSD when a specified process terminates?

I must admit being a heavy Firefox user, so when i terminate FF, i always have to check with the system monitor if it's process is really terminated before shutting down Ubuntu. Otherwise i will get a ...