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
180 views

Firefox YouTube videos often refuse to load after a certain duration into the video

I have recently switched from using Google Chrome to using Mozilla Firefox, but have noticed some problems with YouTube videos, very often, I play a video, but it refuses to load more than half of the ...
1
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2answers
121 views

Dead keys on Firefox Kubuntu 15.04

I use the GR-el version of the latest Firefox on Kubuntu 15.04. After the latest (2015-May-1) update, I can't have dead keys produce accents for (Greek GR-el / UTF-8). I can bypass this problem by ...
5
votes
2answers
201 views

How do I close a new Firefox window from the Terminal?

I have multiple instances of Firefox running in Ubuntu 14.04. How can I close the most recently opened window/instance from the Terminal? I tried using the cfct alias defined in an answer to a ...
1
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1answer
109 views

Problem viewing webpage on default web browser of Ubuntu 14.04

For last few days I cannot view Google "Inbox" on Firefox 37.0.2. It loads initially and then blacks out. There was no problem a few days back. Firefox when run from terminal gives a lot of ...
3
votes
2answers
80 views

Where is the Mozilla Firefox cache located?

I have got Mozilla Firefox installed, and am aware of the issues with nasty things like phishing scripts from images ending up in my browser's cache. And so that I don't have to just empty my cache ...
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0answers
29 views

Firefox stuck on old version and problems with held packages

i did a clean installation of Ubuntu 14.04.2 2 months ago and i noticed recently that firefox was stuck at version 36. I uninstalled it and then the system showed version 35 as the latest. The same ...
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3answers
67 views

Upload Files(from the internet) to a dropbox or google drive

I want to download a file from the internet and I have to store it on my dropbox/google drive. Is there a way to skip my PC. So the dropbox server is downloading the file right in my folder? This ...
2
votes
2answers
140 views

Adobe flash plugin 17

I am currently using Ubuntu 12.04 because the latest upgrade 14.04 is not working in my system. I need to install the latest Adobe Flash Player 17 plugin, but it only allows me to install up to ...
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0answers
10 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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1answer
114 views

Problems with video and playback on 4K monitor and R9 R270 AMD. Ubuntu 14.04

For a number of years I have happily used Ubuntu. However,I am having all sorts of problems now since I upgraded my video card and monitor. My monitor is a Benq 4k monitor, but I decided to upgrade my ...
1
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1answer
68 views

Transfer bookmarks from Chrome to Firefox [duplicate]

I have currently got Google Chrome and Firefox installed, but I want to switch to Firefox so I want to some how transfer my mass collections of bookmarks from Chrome to Firefox, so is there any way of ...
0
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0answers
23 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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0answers
29 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 ...
2
votes
1answer
28 views

Firefox reinstalled, but not xul-ext-webaccounts

I wanted to reinstall Firefox, so what I did was: sudo apt-get purge firefox And this was the output: Reading package lists... Done Building dependency tree Reading state information... ...
1
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0answers
59 views

Add exception for wrong certificate for subdomain “ssl_error_bad_cert_domain”

One of my domains I use has an HTTPS certificate that is only valid for example.com. Whenever I try to access one of the subdomains I get an error: The website uses HTTP Strict Transport Security ...
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0answers
266 views

Firefox won't run java after installing 15.04

I installed ubuntu 15.04 yesterday. Firefox will not run the race viewers at igpmanager.com which use java. Ran java version and it returned the latest version of java. This machine is running an SSD ...
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0answers
102 views

firefox -37.0.2 not taking proxy username and password

I am behind the proxy server, when i open Firefox-37.0.2 a window came and say "authentication required" after entering the proxy username and password, keep asking continuously "authentication ...
0
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1answer
52 views

Various programmes crashing frquently - could be an issue with the system?

About a week ago Firefox started crashing very frequently, 20 to 30 times a day. On random pages, doing random things, sometimes even when it is minimised. I ran the updates and checked the system for ...
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0answers
15 views

Is it possible to download the latest version of Adobe flash player? [duplicate]

I was trying to play a game on Facebook that I haven't been able to play since switching to Ubuntu. It requires the latest version of Adobe. I couldn't download Adobe so I downloaded a flash player ...
0
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0answers
19 views

How can I start a simple X with just firefox? [duplicate]

I'm trying to start a simple X server with just one app open, which is Firefox. Basically, I want to power on my Ubuntu server and show Firefox, nothing else. Is there a way to make this possible? ...
0
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0answers
112 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), ...
1
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1answer
85 views

java plugin is not working

I want to run following website in chrome/firefox in my ubuntu : http://bikecad.ca/quickapplet which shows following message: However i have already followed these steps but its not working. Help ...
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0answers
23 views

Lubuntu Firefox is always running

I have a very persistent Firefox. Even after a reboot the process is running, and starts by itself again if I kill it. Yesterday, I heard the audio of the last youtube video after a reboot. I tried ...
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1answer
105 views

My Firefox 37 has problems with Yahoo mail in 14.04

Since update to Firefox 37.0.1, I have problems with Yahoo mail (webmail). Sometimes, inline pictures are not shown, they only end up as placeholders, also not shown as attachments. In such cases, ...
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0answers
66 views

Pipelight stopped functioning after HBO new web update in mid April, 2015

I have got HBO Nordic working with Pipelight on Ubuntu 14.10 for long time. Suddenly a web portal update around the 12-13 of April made it stop working. I can log into the HBO Nordic with my ...
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0answers
37 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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0answers
20 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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votes
1answer
37 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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0answers
22 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
139 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.
2
votes
1answer
30 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
28 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, ...
4
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0answers
515 views

Since update of Firefox v37 internet access is slow

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
26 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
32 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 ...
0
votes
1answer
59 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 ...
4
votes
1answer
65 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 ...
1
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0answers
30 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 ...
2
votes
3answers
373 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 ...
1
vote
2answers
80 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 ...
1
vote
1answer
71 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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0answers
53 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. ...
2
votes
0answers
33 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 ...
2
votes
0answers
29 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 ...
0
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0answers
81 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 ...
1
vote
1answer
231 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 ...
0
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0answers
39 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 ...
0
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0answers
13 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
70 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 ...
10
votes
3answers
702 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?