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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14 views

Are there known issues regarding multitasking in Ubuntu 14.04?

Are there known issues regarding multitasking in Ubuntu 14.04? I've recently upgraded to Trusty from Precise for I needed some updated applications. Installed 14.04.2, the desktop and animations were ...
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25 views

Internet Connected but cannot visit websites

My laptop is Elitebook 745 G2 running Ubuntu 14.04, new installed. It has dual OS: Ubuntu and Windows. The internet service works well in Windows, but cannot work in Ubuntu, though it is connected and ...
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12 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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1answer
29 views

browser hijacker won't go away after deleting Vista

I recently downloaded Ubuntu and deleted the old OS, windows vista, however, a browser extension called Frontier search has hijacked Firefox and I can't seem to remove it. Please help, all guides to ...
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9 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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4answers
66 views

Where/when is the update for Firefox to version 37..?

I checked with Synaptic Package Manager and the latest is 36.0.1+..... 37 was released in March.
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1answer
22 views

Pencil 2.0.9 opens a new firefox window instead of the software itself

Pencil Project is being actively developed here. I have firefox installed and I copied the linux package files to their respective folders. When I click application entry in menu it open firefox but ...
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0answers
13 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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0answers
147 views

Since udpate of Firefox v37 internet access often slow or even timing out while ping & chrome work fine

Before the auto update to Firefox v37 occurred Firefox worked fine on my Ubuntu 14.04 system (ethernet connected to 20Gbps internet up 4Gbps down). My system is 8 core, 32GB ram, ubuntu 14.04 ...
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0answers
13 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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0answers
16 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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1answer
43 views

Can an unmounted USB be infected my malware?

Yesterday, I went on a dark creepy site whose js freezed my system/firefox (Ubuntu 14.04 up to date, Firefox 37.0.1 up to date). Now I tried, from the same system, to find any malware with: sudo ...
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1answer
51 views

Advertisements shown when page is viewed in Chromium but not when viewed in Firefox

The title says it all, i keep on seeing advertisements when i open pages in Chromium, those ads are shown in portions of the page (not popups) usually at the bottom and/or the top of the page and do ...
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0answers
25 views

Firefox and Chromium won't display pages correctly

I have recently installed Ubuntu 14.04 LTS so I’m quite new with this OS, so please be patient with me. My Firefox and Chromium was updated when Ubuntu asked to update in software updater, but now I ...
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3answers
89 views

Video quality on Youtube (Firefox) is limited to 360p

I'm finding that the video quality setting on Youtube videos only has the options "Auto" and "360p". My browser is Firefox 37.0.1 and I'm using Ubuntu 14.04 LTS 64 bit, and my motherboard chip-set is ...
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2answers
37 views

control audio kde plasma after hdmi removal

I am using kde:plasma version 4.13.3 in ubuntu 14.04 and it works great in most ways, but on my laptop I frequently use it as my "media center" pc. I hook it up to the TV through the HDMI port. When ...
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1answer
27 views

where is the firefox menu in ubuntu mate?

I recently installed ubuntu MATE 14.04.LTS as OS. most programs bring a menu "below"/underneath the window-"bar" (I am sorry about the unspecific vocabulary, i'm noob) - you know, the place where you ...
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41 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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0answers
22 views

Firefox locks up on Ubuntu 14.04 when using the address bar

I have a problem with firefox. Every time I type something into the address bar (and it seems only there), firefox freezes and i can not do anything. This happens on a freshly installed Ubuntu 14.04 ...
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0answers
23 views

How do I recover my firefox tabs?

I reinstalled my Ubuntu, I saved my profile that resides in ~/.mozilla/firefox/PROFILE. I assumed it would restore my tabs after I copied the profile back. History and such is available, but no tabs ...
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0answers
55 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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1answer
79 views

WebEx error: Java is not working

I am trying to join a WebEx meeting. However, when I try to do that, it gives me an error: Java is not working. To have the best experience joining meetings, Java must be installed on your ...
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0answers
16 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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0answers
9 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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0answers
19 views

Dark xfce themes makes elements black in firefox - userContent.css is not enough

I'm using dark theme for XFCE and along with the DE the default css of firefox has changed. I tried to fix it by creating file ~/.mozilla/firefox/chrome/userContent.css and pasting in some css - it ...
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3answers
622 views

Ubuntu Start Page in Firefox Language changed suddenly

Suddenly on the Ubuntu Start Page in Firefox English has been changed to Spanish. How do I reset to English?
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1answer
38 views

Firefox shows all background color as white starting today on all pages

When I started Firefox today all background colors were gone as in the following screenshot: This probably happened because I have set up automatic software updates, so something must have gotten ...
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1answer
116 views

How to install Microsoft Silverlight on Mozilla Firefox browser in an easiest and reliable way that runs on ubuntu 12.04 LTS 64-bit operating system?

I am using ubuntu 12.04 LTS 64-bit OS on my system. I am using Mozilla Firefox 37.0(**Mozilla Firefox for Ubuntu canonical - 1.0)** and Google Chrome(Version 41.0.2272.118 (64-bit)) browsers on my ...
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0answers
11 views

Bleachbit -> add firefox

I installed bleachbit on my computer, it did not have Firefox automatically ub the sidebar to delete data within it .. but it did have internet explorer and google chrome. How do I change it to have ...
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2answers
236 views

FF 37 Ntlm not working

I am using 14.10 I just upgraded my FF from 33 to 37. I have a timecard system at work that uses NTLMv1 I have set network.negotiate-auth.allow-insecure-ntlm-v1 to true I get the Authentication ...
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1answer
47 views

Firefox first tab weird language

When launching Firefox through Terminal with: firefox I get this output: (process:10923): GLib-CRITICAL **: g_slice_set_config: assertion 'sys_page_size == 0' failed 1427987784903 addons.manager ...
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0answers
16 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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1answer
59 views

Citrix Receiver on Ubuntu 14.04.2 fails with error Entrust Certification Authority - L1K SSL Error 61

Currently I am using ubuntu 14.02.2 64 bit version. My citrix receiver was working fine for a few months. After a few updates ubuntu fails to open the application with the following error: Entrust ...
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1answer
14 views

need help regarding blank javascript pages

I’m using Ubuntu Firefox on Linux. I play a web game and I use about 100 tabs to play it. When I go through the tabs with Ctrl+Tab it will open a window with JavaScript in the address bar and the ...
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2answers
54 views

where is Adobe Flash Prefrences?

I use Mate, on both debian and Ubuntu, periodically I like to use a video chat website that uses flash. I find that if the site doesn't have permissions to flash camera and mic setting prior to ...
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0answers
21 views

Ubuntu 14.04 KDE reversed green and red on images

I haven't used KDE last few weeks and so I have done some regular firefox and ubuntu updates during this time. But today, I logged in with plasma desktop on my Ubuntu machine and surprisingly realised ...
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0answers
7 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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1answer
22 views

Need to start Firefox on second display

I am currently running Ubuntu 14.04. I have a couple of issues I need resolved. Currently, I have Firefox in the startup folder. I am running a computer to a large TV screen that has a very high ...
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0answers
36 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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1answer
25 views

Show Downthemall addon download manager for firefox

I was quite long searching for a good GUI download manager for ubuntu. I used Flareget, uget etc. but then I came upon an add-on for firefox named as Downthemall. You can find it here. It is best but ...
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2answers
23 views

typing “android” in firefox opens a apache2 Ubuntu Default Page

Whenever I search for the word android through firefox' address bar, a page titled Apache2 Ubuntu Default Page opens up. What is this page all about and what does it have to do with Ubuntu? BTW I'm ...
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0answers
54 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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2answers
39 views

Installed Ubuntu 12.04 - cannot visit certain websites I'm very familiar with

Fresh installation of Ubuntu 12.04, so far everything seems to be working except for this. Using FireFox 23 (the default browser) I get the following message: Not Acceptable! An appropriate ...
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0answers
63 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. ...
2
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0answers
19 views

IpProtocols firefox add-on with gnome-terminal and multiple tabs

I want to use Firefox with IpProtocols 0.2.3 to launch telnet sessions from browser. It is working well for me with xterm terminal emulator, but i wish to use multiple tabs. Now I try to use ...
2
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5answers
199 views

weird malware has infected firefox and chromium

This is so much annoying. I've never experienced it since I'm using linux. This weird adware is pupping up every time I open a .com website and shows ad or redirects the page. In chromium, I'm not ...
2
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1answer
78 views

telnet://IP from Firefox and Chrome

I have a problem initiating telnet sessions (telnet://IP) from Firefox and Chrome. With Chrome I have the following problem: When I click the telnet link, appears the "External Protocol Request" ...
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2answers
496 views

Flash no longer working in firefox

I've never posted here before but I've been unable to find any solutions online so I thought I would ask. I have a desktop and a laptop, both running ubuntu 14.10. I first noticed that youtube videos ...
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0answers
38 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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0answers
73 views

how to enable webex on 14.10 64bits

I had issues to join Cisco Webex in Firefox on 14.10 64bits. Here is my experience to make it work. First, you need to install either openjdk/icedtea or Oracle Java as the JRE. You should be able ...