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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1answer
8 views

Can I revert back to 14+ from 15 on an old machine?

So many problems with the new release, my reps and system is fighting them like a virus? Using Lubuntu 15.04 2g cpu with 1027 mem I know it is slow but still makes no sense why it takes so long to ...
0
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0answers
7 views

Opening a Firefox Protocol with a Program set in Wine

Currently, I'm having some trouble with associating a protocol (namely the nxm protocol) with a program which I have installed in wine (Mod Organizer). E.g. nxm://Skyrim/mods/3863/files/1000172397. ...
0
votes
1answer
45 views

Firefox does not play YouTube HTML5 videos

Firefox does not play YouTube HTML5 videos for me. There seems to be no way for me to make them start. They to not autostart and the lower left button (the triangle) does not start the video. The ...
1
vote
0answers
560 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 ...
0
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0answers
16 views

Firefox not redirecting instead showing about:blank

Recently I have found that Firefox is not redirecting. For example a http://t.co/OfIwUa4dxb link on Twitter will not redirect to http://www.ncbi.nlm.nih.gov/pubmed/26308551?dopt=Abstract but instead ...
2
votes
1answer
26 views

Firefox doesn't play audio

To be clear, the audio on my laptop is working just fine. Other applications in Ubuntu play sounds as expected. Firefox, however, won't output any audio through the native speakers or headphones. ...
-2
votes
0answers
21 views

How to move firefox to Applications [duplicate]

I tried to go to usr/share/applications where i found out that all my applications were present in it except Mozilla firefox. I strongly need firefox to be present in Applications. Please suggest ...
0
votes
1answer
29 views

DRM issues 15.04

I am trying to watch NBC Sports on my Ubuntu machine. I currently have 15.04 installed. I have tried using both Chrome and Firefox. Chrome (updated) has flash 18, which is good. I've read though that ...
0
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0answers
15 views

Chromium problem

Well, this is new.. I think I hosed my system and don't know even where to start poking around.. I did apt-get update, apt-get upgrade and noticed that chromium had been removed from my system. So ...
0
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0answers
69 views

Any Webbrowser crashes in 14.04 since last update

I've been experiencing some annoying crashes of any web browser I use since I last updated Ubuntu & Firefox (However the problems extend to Opera & Chrome as well). First I'm just a user who ...
1
vote
1answer
61 views

How to change the Firefox icon?

I have Ubuntu 14.04 64bit. I am currently using Firefox which is present on the Unity panel (or launcher). The problem is that the icon is a question mark. I want to change it to the standard Firefox ...
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0answers
32 views

firefox can't install [closed]

W: Duplicate sources.list entry http://dl.google.com/linux/chrome/deb/ stable/main amd64 Packages (/var/lib/apt/lists/dl.google.com_linux_chrome_deb_dists_stable_main_binary-amd64_Packages) W: ...
1
vote
0answers
30 views

Firefox screen content frozen, but I can switch tabs

Multiple times a day, I notice that the content of Firefox is frozen on some webpage. But the app is not frozen! I can right click to open the menu, I can switch tabs (cannot see the content, but see ...
0
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2answers
35 views

Firefox doesn't follow the system locale

I set up the default system language to Polish and the regional settings to Poland. All applications but Firefox follow this setting. Firefox stays in English Is it possible to make Firefox follow ...
0
votes
0answers
18 views

Chrome copies Firefox browsing history

I have only an SSD on my computer, so I decided to keep it as clear as it is possible. It's my first time with Ubuntu, I have only used it several months on a virtual machine, exclusively for working ...
0
votes
0answers
36 views

Could firefox be causing system crash?

Originally the title for this question was: Could my USB3 SSD be causing my system to crash? But then I realized that all three times that linux has crashed this week, I was working in Firefox. I'm ...
0
votes
1answer
21 views

Java Plug-in Crashed in Firefox 28.0 on Ubuntu 14.04 LTS

I just installed Oracle Java 1.8.0_51 .And set as it as by default.I also linked libnpjp2.so file in Mozilla folder in /usr/lib/mozilla/plug-in. But when I am going to verify java its show no java ...
0
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0answers
17 views

Ubuntu 14. streaming video quality 360 /Auto [closed]

I can only play video quality upto 360p/Auto on Ubuntu 14. using both firefox and latest chrome browser.?
1
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0answers
26 views

Firefox does not open dolphin for inode/directory in kubuntu 15.04

this question has been asked multiple times like 1 and 2, but their solutions won't work anymore. Probably because of Plasma 5 and the new firefox versions. So I am using Kubuntu 15.04, Firefox 40.0 ...
1
vote
1answer
17 views

How to copy text from interactive online editor?

I cannot copy source code from interactive online editor like FStar When I paste code everything works as it should, but trying to highlight and copy/cut from it ends with one character "".
3
votes
2answers
56 views

Automatic updater on Ubuntu 14.04

I am using Ubuntu 14.04 and I have enabled automatic updates but every time my Firefox and Chrome are updated they are downloaded from scratch, so every time my update size is more or near 100MBs. ...
1
vote
4answers
185 views

Youtube not playing above 360p

I finally switched to using Ubuntu a few days ago and so far it is great! The only issue I am having is that YouTube doesn't play above 360p. The options above it are not showing. It shouldn't be that ...
-1
votes
0answers
32 views

Urdu Language font in 14.10 [closed]

Many web sites incorrectly render under the default urdu font. But the custom font used here displays very properly. So Is there any way I could use that custom font as default for all websites using ...
3
votes
2answers
706 views

In youtube, There are just 360p and 720p options .(no 240p,480p and 1080p)

A couple of days before, everything is working perfectly good. But After last Ubuntu update -also flash player has updated- (I just think that was occurred after update but maybe not) I can not watch ...
2
votes
1answer
96 views

No sound in Youtube since falshplugin-installer updated 14/09/15

So title says it really, updated and then no sound ONLY for YouTube, all other flash seems fine. The update downloaded and installed fine. I tried reinstalling the plug in as well as the restricted ...
10
votes
1answer
361 views

Why is package 'xul-ext-ubufox' is required to install the Firefox package?

When trying to install the Firefox package on Ubuntu 14.04 it prompts me to also install xul-ext-ubufox: $ sudo apt-get install firefox Reading package lists... Done Building dependency tree Reading ...
1
vote
1answer
38 views

Can I take the firefox book marks folder and copy it? [closed]

I am trying to create a base ubuntu image with some bookmarks in firefox. Is there a way I can SCP into the unit and copy\paste a new book marks file? Thanks!!!
1
vote
0answers
372 views

cannot watch hulu on firefox after fresh install on 14.04

I just installed ubuntu and decided to watch hulu, I just got a white box. No flash options (or anything) appear when I right click. Other flash apps work fine, though when I right click to change ...
0
votes
1answer
182 views

How to install previous Firefox version?

I'm using Ubuntu 14.04 and I use the Perapera Chinese add-on for Firefox. It worked up to version 39, but now in version 40 it just stopped working. So I tried to downgrade to version 39 following ...
0
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0answers
14 views

Puppet file in unknown directory

I use puppet for configure lot of computers. I want copy some file from puppet master to client. I use this code for copy file to path /etc/firefox/syspref.js: file { "/etc/firefox/syspref.js": ...
1
vote
2answers
44 views

Mozilla Firefox doesn't scroll smoothly on Ubuntu

I have problem with Firefox on Ubuntu. When I scroll on facebook or youtube it doesn't scroll smoothly like it used to on Windows. It's hard to explain but main point is when I scroll down/up it ...
0
votes
1answer
51 views

Apt-get Issues (and random crashes)

I'm running Ubuntu 15.04 (x64, i7, etc.). Everything has been working perfectly for a long time. However, this morning I was watching some videos online (YouTube) when Firefox crashed. I tried running ...
0
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0answers
17 views

Any brower gets connection reset on a specific site, while wget works

I cannot browser the http://nytimes.com website from any browser installed on my Linux Ubuntu (Chrome and Firefox), but I can download the landing page using wget http://nytimes.com Already tried to ...
4
votes
7answers
350 views

How can I use two firefox profiles?

I run Ubuntu 14.04 and want to use one installation of Firefox with two different profiles for the same logged in Ubuntu user. How can I set this up, so that I may easily launch both profiles from ...
1
vote
1answer
175 views

Firefox can't get the latest java version in ubuntu 15.04 in about:configs with iceatea-8-plugin, but oracle java version verify page can

In my laptop, I have openjdk1.6, openjdk-1.7, and openjdk1.8 installed. I can see all of them through update-alternative --config java. $update-alternatives --config java There are 3 choices for the ...
0
votes
2answers
497 views

Firefox 40 really slow

I had a problem with Firefox 39.03 unable to start. This problem was been fixed with Firefox 40, however; now Firefox is really slow. Tried most of the published fixes, new profile, uninstall - ...
0
votes
1answer
100 views

Firefox no longer works after update

After updating firefox in Ubuntu 12.04.5 LTS, yesterday, firefox no longer starts: That is, I can ask $ firefox --version Mozilla Firefox 39.0.3 but if I call it without arguments, it exits (after ...
0
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0answers
24 views

executing an action script file (.as file)

how can I execute this action script file, in Ubuntu? do I need to use firefox the action script file in turn refers an xml file the content of the as and the files are in this link ...
0
votes
0answers
84 views

How do I install Firefox ESR from a command line?

How do I install Firefox ESR from a command line? Mozilla is releasing a new major version of Firefox every six weeks. With each release, there's a possibility of bugs, unwelcome new features and ...
1
vote
0answers
152 views

Ubuntu 14.04 LTS YouTube videos are choppy

I just installed Ubuntu 14.04 LTS on an older computer I had for an HTPC. All I really wanted to do was use it to watch YouTube, Twitch, and browse the internet. Unfortunately, it fails at watching ...
0
votes
1answer
87 views

Flash - Chrome Linux vs Chrome Windows

What is the difference between Flash in Chrome for Linux and Chrome for Windows? I am asking because in Ubuntu 14.04, Chrome will not play certain Flash-based live video streams (specifically ...
0
votes
1answer
103 views

node.js + jpm not working after installing: JPM [error] Error: spawn EACCES

I am moving from cfx to jpm After installing node.js by sudo apt-get install nodejs I installed jpm: npm install jpm -g. Now I am trying to run my addon: jpm run -v: JPM [info] verbose set JPM [info] ...
0
votes
1answer
107 views

Firefox 42+: libgtk-3.so.0: cannot open shared object file: No such file or directory

Asking, because it took a minute to figure this out and nothing came up on Google. Answer coming up. I downloaded a Firefox (nightly) build from mozilla.org for testing. Running it presented an ...
1
vote
1answer
89 views

Firefox keeps crashing in Xubuntu 14.04

I recently installed ubuntu as a replacement for XP. I'm using xubuntu desktop. Mozilla Firefox and other browsers all crash very regularly, with firefox crashing at least 1 in 3 times I open it. This ...
0
votes
2answers
50 views

How can I prevent Firefox from accessing files outside of its .config directory?

A vulnerability in Firefox was disclosed today that allows an attacker to execute JavaScript in a "local file context", giving them access to the file system. In the wild, this was used to scan the ...
0
votes
1answer
199 views

Firefox CVE-2015-4495

I recently read that there was a major vulnerability fixed in Firefox: CVE-2015-4495 Which would have affected Linux as well, as there is a PDF viewer for this version, however would it affect you if ...
0
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0answers
16 views

Strange Firefox syncing during Gnome 3.16 upgrade

I am running Ubuntu Gnome 15.04, with Gnome Shell, and 3.16, although I only just upgraded to Gnome 3.16 from Gnome 3.14. And sometime during the upgrade I suddenly noticed this in Firefox: It just ...
3
votes
1answer
70 views

Videos never load on facebook, Lubuntu 14.04 LTS, Firefox

I'm having a small problem with my computer. (Luckily I'm not a huge FB user or else I'd probably be loosing my crap lol.) My machine is an HP Pavilion dv4. I can't seem to get videos to play on ...
0
votes
1answer
132 views

how to activate Java 8u51 plugin on Firefox?

Can you please advise. I tried to install Java 8u51 plugin. But I'm not able to activate it. Please see below what I get in terminal: $ java -version bash: /usr/bin/java: cannot execute ...
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0answers
25 views

Graphics get messy when scrolling down the table in firefox

Sometimes, but not always (depending on the site), when scrolling vertically or horizontally, contents of the site get real messy. Here's an example: with a table embedded into the site OS: ...