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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23 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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143 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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15 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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66 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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125 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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158 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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42 views

Firefox: make ctrl+enter submit a form, even if cursor is in a textarea

How can I make Firefox submit a form by hitting ctrl+enter even if cursor is in a textarea? There are some work arounds to enable this, if you create web pages with jquery. But this short cut should ...
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59 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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39 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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40 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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76 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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122 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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115 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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28 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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39 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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152 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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214 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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118 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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97 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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71 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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54 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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140 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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91 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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83 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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81 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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219 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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64 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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33 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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103 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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42 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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37 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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42 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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81 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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109 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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90 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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293 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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36 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 ...
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173 views

IcedTea always ask for confirmation even when the security level is lowered, how to change this behaviour?

I am running Ubuntu 14.04.1 64-bit LTS with OpenJDK Java 7 Runtime, IcedTea Web Control Panel, IcedTea Java Web Start and Icedtea Java Plugin(browser plugin) installed. I am using Firefox 35.0.1 and ...
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207 views

Firefox mouse wheel does not scroll - even with about:config

I am running Ubuntu with Lubuntu-desktop, firefox version 35.0.1 The mouse scroll does not cause the page to scroll- it causes a "back" button event, going to a previous page in my history. I tried ...
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64 views

Firefox blur event fires when changing keyboard language

When i changing keyboard language in a text-field with DOM "blur" event, the event fires!. As you know the blur event must fire when text-field lost the focus. I've found this problem only in ...
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232 views

How to disable Alt key mnemonics in Firefox?

I'm using the Firemacs addon with Firefox 35 in Ubuntu 14.10, which provides Emacs-like key bindings for composing text in the browser. Unfortunately there is some global system behavior that keeps ...
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64 views

how to launch gmail web app for unity

In 14.10, I clicked the button to install the gmail web application. How do I launch the application? There's no description available for version 14.10 which I could see -- yet there was a button ...
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58 views

Updated Ubuntu 14.04 today

Updated Ubuntu 14.04 today using Firefox 35 watching YouTube videos,in normal screen they're okay,enlarge screen and all i get is audio,black screen anyone having same issue or know why this is ...
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38 views

Google gives wrong search results in firefox in Lubuntu 14.04.1

I was trying to find some info about an issue in Lubuntu (I cannot install MS Office 2010 with PlayonLinux), but the google search results were wrong, it highlighted words which were totally different ...
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134 views

Use 32 Bit java plugin in 64 bit firefox

I am unable to run a self signed applet in firefox that had 64 bit java installed. I understood that it may be the case with my java being 64 bit as the same was working in windows environment which ...
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186 views

Pipelight-multi displaying plugin-needed in firefox 35

I have just reinstalled pipelight-plugin as it is not working at all and I am still getting the same problem. Firefox on youtube is reverting to the html5 plugin, but the youtube videos on facebook ...