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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752 views

What's the state of hardware accelerated HTML5 video on Ubuntu?

Flash hardware acceleration never really worked in Linux due to various APIs (VDPAU, VA API, and what not), buggy drivers, and end-of support from Adobe for Flash on Linux. Recently several sites, ...
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40 views

No Sound using pipelight

Hi i am hoping someone can assist as i have installed the pipelight plugin on Ubuntu 14.04 LTS and on the Sky GO website i can see the video but cannot get the sound to work. All seems to work ok from ...
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54 views

Firefox Says it's Not the Default Browser & App Armor Preventing Setting Default

Ever since upgrading to Vivid, every time I start Firefox it tells me that Firefox is not my default browser, and asks if I would like to set it as the default. The odd thing is that when I go to ...
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23 views

Firefox 38 on Ubuntu12.04 display enlarged

Ubuntu 12.04 (32b) automatically updated from Firefox 37 to FF38. Now the new firefox title/tool bar and tabs are greatly enlarged - this is taking up 1/4 of screen and I can find no way of reducing ...
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356 views

Java plugin 8 update 45 is blacklisted in firefox?

https://blocklist.addons.mozilla.org/en-US/firefox/blocked/p912 states that "java plugin 8 update 44 and lower has been blocked for your protection". Which is fine and all, except that after updating ...
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136 views

Looking for an on screen keyboard working with firefox

I'm looking for an on screen keyboard. florence and onboard do not appear, when selecting the address bar in firefox. I'm using Xubuntu 14.04. Firefox says it works great with the gnome on screen ...
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81 views

Ubuntu 12.04.5 LTS Intermittent Freeze Issue

My 3 year old Dell Inspiron 14 N4050 laptop running Ubuntu 12.04.5 LTS now keeps on freezing whenever some heavy stuff is going on. At first I diagnosed it to Chrome issue, but later even after I ...
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30 views

Firefox/Clementine only use eth0 as gateway but not eth1

hy! I have two nics, that are configured via dhcp, internet is reachable via both: 1) 192.168.15.x gateway 192.168.15.1 2) 192.168.1.x gateway 192.168.1.1 Sometimes 1 is down via the firewall (as ...
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59 views

Some pages not loading with Ubuntu 14.04 LTS and Firefox

When I use a search engine, or type an address into the address bar about half of the time I get the fail page, "Unable to connect..." If I click a link from a search page, same thing. If I try to ...
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33 views

Surfraw with Ubuntu 14.04 and Firefox problem

I am using surfraw with Ubuntu 14.04 and Firefox 37.0.2, and get the following error: err:ntdll:RtlpWaitForCriticalSection section 0x7ea65284 "lock.c: LOCKTABLEENTRY.crit" wait timed out in thread ...
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25 views

Can xdotool work after my screen becomes locked?

On Ubuntu 14.04, I want to use xdotools to simulate mouses and keys on a firefox window. I want to do that when I am away, so I also like to lock my window. Is it possible for xdotool still to work ...
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228 views

Problems downloading files via WeTransfer

I am using Unbuntu since a few months and everything works really fine. However, I do often get large files sent via the WeTransfer service. Unfortunately I am mostly not able to download them when ...
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23 views

Firefox title bar lost when opening link from e-mail in Thunderbird

Starting with Firefox (currently 37.0.2, but has been happening for a great many releases) running but minimized, I open a link in an e-mail (Thunderbird e-mail client, currently 31.6.0 - happened ...
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96 views

Why I can't drag and drop tab into the FireFox installed in Ubuntu 15.04?

today I have installed Ubuntu 15.04 and I am experiencing an annoying problem with the installed version of Firefox. The problem is that I can't swap the opened tab. I can change their order with the ...
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201 views

ubuntu 14.04 firefox starting without sudo gives security library failure on SSL sites

I have a problem with ubuntu desktop 14.04. When executing firefox without sudo, then all the https sites (even http://google.com) gives me Error code: sec_error_library_failure But when ...
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184 views

If flash isn't installed in the first place, why does Firefox need Flash block 1.5.18 to block auto-play video advertisements?

My netbook becomes extremely inefficient when being bullied by auto-play video advertisements on the internet. I am on Lubuntu 14.04 using firefox 37.0.1 (Mozilla Firefox for Ubuntu | canonical 1.0), ...
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75 views

upstart .conf script not running at startup

I have a .conf file I run at start up. This file runs a script file i have stored elsewhere. But it does not run. Its supposed to launch node.js and two tabs on firefox. When i launch firefox after ...
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52 views

Firefox Flashplayer suddendly zoomed in

Sometimes when I'm watching Videos on Youtube it just zooms in. I can only see the upper left corner of the video. I'm pretty sure it is a flashplayer problem, since the bar at the bottom (with play, ...
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46 views

why is firefox hello always on top?

I use firefox hello often and that little panel with the camera, the microphone and the firefox icon is always on top and i cant turn it off or just simply hide it. Are there any possibilities to ...
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41 views

Any workaround for broken Firefox 37 view-source?

I've been somewhat disappointed with the new Firefox 37 release on Ubuntu. The worst problem I've had so far was the view-source bug, where it shows what the page used to be. Am I the only one having ...
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81 views

Ubuntu 14.04 cannot access same website from one of two computers

My problem is weird. I can access the nhl.com site (and flames.nhl.com) from one box running 14.04, but not the other running the same. This is with Chrome and Firefox on the same wired network. ...
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133 views

Firefox Animations Extremely Slow

I'm building a website with the occasional animation in it, by jQuery and by using CSS3 transitions. I'm wondering why they look so slow compared to the Mac/PC version of Firefox (Which runs ...
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151 views

How to install firefox addon Skip Cert Error silently through automation

I want to install firefox addon Skip Cert Error to skip ssl error for my automation projects running on Linux virtual hosts. However, I want this installation of add-on to be unattended through some ...
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31 views

Firefox extension compatible with Unity to show download status in launcher

Are there any working Firefox extension compatible with Unity to show download status? Unityfox was the one I have been using for a long time but it is not compatible with latest versions of Firefox. ...
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46 views

Firefox: don't rename files with “filename(1)”

If I download two files with the same name (or even the same file twice by mistake), Firefox appends "(1)" to the filename (or "(2)", etc). I find parentheses in filenames annoying, especially ...
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12 views

Firefox keeps reverting the 'do not track' setting

Lately I discovered that (now) Firefox 36.0.4., but also several version before this one do not respect the 'do not track' setting. I want the setting to be off, because I think it doesn't make much ...
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163 views

Can't get WebRTC Firefox Hello webcam to work

G'day I have a USB webcam which works well in Cheese, Skype and WebRTC Test with Chrome but not Firefox 36.0.4, lsusb shows the webcam as Bus 001 Device 002: ID 04fc:1528 Sunplus Technology Co., Ltd ...
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258 views

How to use On-screen keyboard in Firefox/Chrome in Ubuntu Gnome 14.04

Pretty simple question, it's all in the topic line. I enabled the universal access features, turned on the keyboard, and it's pretty nice except for the fact that I can't use it in my internet ...
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122 views

Firefox totally unusable after v35, and still the same problem on v36 on ubuntu 14.10

My firefox is completely unusable now. 1. Cannot connect to any website, just loading forever. 2. Keep freezing when I type in the address bar, result in the sudden surge in the CPU usage 3. ...
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109 views

Weird font-rendering issue after Firefox crashes

I'm running Firefox in Ubuntu 14.04, and sometimes Firefox freezes and once it's back it starts rendering fonts in a really weird and distracting way. I've had a similar crash before that also ...
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82 views

Lubuntu 14.04 Cannot execute embedded mp3 in some websites in Firefox

The website http://www.goethe-verlag.com/book2/EM/EMRU/EMRU003.HTM works fine in Firefox 36 when I use Windows XP. However when I use Firefox 36 in Lubuntu 14.04, the audio does not play. I have ...
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65 views

Hulu doesnt connect to TV provider

I am using Firefox to watch Hulu.com stuff. I try to use the "Connect a TV provider" button but it doesnt do anything in linux. I select my provider.. DISH A popup appears which asks for login ...
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172 views

How do I know what plugin Firefox wants from me?

I went to a web page, and it displayed the following message: That's all it says. "A plugin is needed to display this content." Nothing else. How am I supposed to know what plugin it needs? ...
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93 views

Firefox keeps connecting to Roku Streaming Player

Recently I have discovered that Firefox keeps connecting to a local IP address, http://172.16.8.50:8060. These requests are made approximately every minute. These requests are also here even if I ...
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88 views

Why does kubuntu freezes when running firefox/chromium?

I was surfing the red and everything in Firefox in Kubuntu and suddenly my PC just freeze. I don't know why but I though it was for the browser so I installed Chromium but the same thing happened. I ...
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87 views

how to activate jre under kubuntu 14.10?

I have installed kubuntu 14.10 and I have tried to activate jre on firefox and chrome, but I have some problems. 1- On chrome side I have not succeed to activate jre plugin for both version oracle ...
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78 views

how can set the proxy in my computer

My computer is Elitebook 745 running Ubuntu 14.04 LTS. It can connect to the Internet very well in my working space where is no proxy server. In my residence, there is a proxy server. It can be ...
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260 views

transfer important files from an old firefox profile into a new one

I try to write a script that copies all important files into a new fresh profile. I used the information on this mozilla support page #!/bin/bash echo While copying your personal data from an old ...
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66 views

Open link from application in running firefox profile

Applications that allow opening links (e.g. emacs), always fail to open URLs for me. Instead of immediately opening the URL in a running browser window, they open the firefox profile manager dialog. ...
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35 views

Problem with addons in Mozilla

The problem is following: I have about 10 addons installed and suddenly part of them just stopped working( wappalyzer, google translate plugin) while others(Adblock, firebug) still work. All addons ...
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47 views

Applications in Ubuntu take forever to resolve URL, webpages usually don't load completely. Internet on other OSs are fine. What's wrong? (14.04)

All the computers in my house are connected to the same router, with the same DNS (googledns). The two Ubuntu machines take forever to "resolve host" (chrome/firefox), but the Windows machines aren't ...
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113 views

How to change browser in which Sublime Text will open files?

For some time I used Firefox and I guess because it was first browser that was installed, when I installed Sublime it recognized it and set it as default but now I switched to Chromium and I ...
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43 views

Firefox not displaying chat links

Few days ago I noticed that when someone sends me different kind of links on Facebook (when I use Firefox) I don't get them. I thought that it's just a Facebook problem, but then I checked my other ...
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39 views

Add-on website is closing immediately during first run - Mozilla

I have written code for loading Add-on's website during first run. But it loads and closes the website immediately. Here is the code var myaddon = { onLoad: function() { this.initialized = true; ...
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44 views

Pressing any key in firefox repeats a string (under load)

On 32-bit lubuntu (14.10) with firefox 35.0.1, occasionally while browsing a very, very strange bug with text input will occur. When typing into any text box, any key will input, instead of the ...
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83 views

Youtube having problem in firefox

I having problem in Youtube videos while playing the screen is constantly flickering when i run the same videos in Chrome no such things happens.Is there any solution to this??
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111 views

Firefox crashes not due to plugins-latest FF on Ubuntu14.04

Firefox ver35.0 crashes after running videos for a while or even after seeing many .Gifs on Ubuntu 14.04 I have reinstalled FF and Ubuntu too. No luck. One window says; Must restart FF. Other window ...
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99 views

Firefox says “a plugin is required” but doesn't say which?

I installed Dictionary.com addon in my latest firefox web browser. But it is showing some plugin is missing without naming which one. Please see the screen shot to have a better understanding about ...
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335 views

No audio in Firefox, Chrome, Spotify, etc. on Ubuntu 14.04

I recently installed Ubuntu 14.04 LTS 64-bit and I'm having some issues with my audio. I have an Intel H61 Express chipset and I'm using the HDMI out to my home theatre system. When I select the ...
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37 views

Web page not available

I'm trying to access some websites using chrome and firefox but it is giving me error message like Web page not available.I'm getting this problem from when I installed Ubuntu14.04 now I upgraded it ...