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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3
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23 views

High CPU by Firefox

For some days, Firefox has been consuming high CPU percentage while simply loading pages. It drops down otherwise. It often crosses 100% and even goes beyond upto 150% sometimes(!). I ran Firefox in ...
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0answers
7 views

Ubuntu 15.04, HTML5 Videos on Youtube do not load FF38.0

On Ubuntu 15.04 Videos via HTML5 on Youtube are not loading anymore since yesterday evening. Testet with FF 38.0. What's wrong? - If i change HTML5 settings in Youtube to flash it works properly.
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17 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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0answers
12 views

How to AUTO Open .doc files in Ubuntu FROM WEB

I am trying to open Microsoft.doc files from the Web however I am unable to do this. Here is a scenario of what I am currently experiencing. I go to website where I see .doc file; I click on File; ...
0
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1answer
24 views

Using flash player i.e. watching a video in fullscreen (Mozilla), freezes computer

this has happened to me twice now, today and yesterday. I've just installed Ubuntu 14.04 (some time ago) 64bit and I use noscript in Firefox. I was watching youtube not in fullscreen and my screen ...
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0answers
23 views

No sound in Chrome browser on Ubuntu 15.04

There are various suggestions for how to fix this but they mostly involve installing or restarting pavu or alsa. The problem is sound works fine in Firefox and all my programmes except Google Chrome. ...
0
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0answers
12 views

Firefox fonts unreadable, especially for Google sites

for some sites, Firefox renders the fonts unreadable. I've noticed this especially for the Google sites. When I uncheck the Firefox option "Allow pages to choose their own fonts, instead of my ...
2
votes
1answer
44 views

Why can't i execute run-mozilla.sh? [duplicate]

I have downloaded latest version of mozila-firefox from http://tinyurl.com/lm4449e . Try to install it by running following commands. cd Dowloads tar xjf firefox-38.0.1.tar.bz2 cd firefox chmod +x ...
1
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0answers
11 views

Firefox default search provider resets after restarting the browser

I switched my default search provider to DuckDuckGo, but recently decided that I needed to have some of Google's features for a while as default, so I made Google my default search provider in my ...
0
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1answer
50 views

Youtube only show videos in 360p quality in Firefox Developer Edition

I've been having this issue with Firefox Developer Edition (FDE) on Youtube, where it show videos only in 360p quality, there's also an "Auto" option, which is also, the 360p quality. I'm in Ubuntu ...
0
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0answers
15 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 ...
0
votes
1answer
14 views

Character encoding in Firefox

I installed Lubuntu 15.04 Vivid last week, making the first step away from Windows for me. I am running Firefox 38.0 (Mozilla Fifefox for Ubuntu canonical - 1.0). In Windows 7, when I loaded pages ...
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0answers
9 views

List of ways set 'default browser' in xubuntu

I want to file a bug with the xubuntu project, citing too many ways to set the default browser, and the fact that these do not necessarily talk to each other. Settings -> Settings Manager -> ...
0
votes
1answer
22 views

Turning off desktop integration in firefox

I used to be able to turn off the desktop integration in firefox by going to the general settings and unclicking the box that says "Prompt integration options." But I just reinstalled 14.04 on a new ...
1
vote
1answer
38 views

Firefox will not update

I am running Ubuntu 14.04 LTS 64-bit and the version of Firefox that comes with this version of Ubuntu. I recently went to a website and got a notification that my version of Firefox was no longer ...
1
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0answers
32 views

firefox vaapi acceleration

How can I enable html5 hw acceleration in firefox 38 ? (running on ubuntu 15.04) with vaapi via gstreamer1.0-vaapi (installed). I have intel hd 4600.
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0answers
20 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 ...
0
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0answers
9 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 ...
0
votes
1answer
63 views

HTML5 as default for video in Firefox (and banishing flash!)

New install of Ubuntu 15.04 (on an otherwise fully functioning dell XPS 13 9343). I've been having difficulty getting HTML5 video to play on Firefox. My test case is Plex and Youtube, both of which ...
-1
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1answer
21 views

Xubuntu 14.04 hangs while browsing using Chromium or Firefox

My Xubuntu 14.04 hangs too much when i start to use browsers like chromium or firefox. I dont know the reasons,but i think i encounter this problem everytime i use a browser. I am using Xubuntu on my ...
1
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0answers
49 views

Youtube page and videos are not displaying properly

YouTube page is not displaying properly I am new user to n ubuntu just installed 15.04 a month ago. it was working fine till 15 days but now youtube is showing properly i have downloaded ubuntu ...
1
vote
1answer
30 views

Libreoffice firefox plugin

On Ubuntu 14.10 I have had a libreoffice writer plugin for Firefox. I.I am pretty sure I installed it from Ubuntu's repositories.It opened all documents in read only mode inside of Firefox. However ...
-1
votes
1answer
19 views

FireFox Bookmark Deletion Problem

In windows I can easily delete a FF bookmark. To do so I just click on Bookmarks button. Then a list of bookmarks appears and I just right click on the bookmark which I want to delete and once a menu ...
0
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0answers
15 views

where do I report an issue for the ubufox firefox add-on? [duplicate]

Apparently this add-on uses a deprecated API (according to firefox-trunk). https://apps.ubuntu.com/cat/applications/precise/xul-ext-ubufox/ did not seem to provide any means to report this. So let ...
1
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0answers
38 views

Firefox eventually for no aparent reason consumes all CPU and RAM and grinds to a halt pulling my computer along with it

I now use Firefox as my default browser and have found that after having it up and running for several hours, that it starts to use up more and more of my CPU and RAM, and this does not appear to have ...
0
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0answers
15 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 ...
0
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2answers
24 views

Import Firefox bookmarks from windows 7 (unbootable) to ubuntu using ubuntu

I have already googled the question and got an incredible answer but I have a problem with replicating it. My windows directory is on the partition called 'OS' and my username is Siba while the ...
1
vote
2answers
66 views

Firefox is not starting on Ubuntu 14.04 [duplicate]

At first I tried running Firefox normally on Ubuntu 14.04 after a power cut that occurred while the computer was on suspend mode, and Firefox didn't start. I followed these instructions by renaming ...
3
votes
0answers
112 views

Internet browser crash

I installed Ubuntu 15.0.4 64 bit. My mainboard is an ASUS M2N-PLUS SLI vista edition with AMD CPU, with 4GB of RAM and an nVidia 8500 GT video card. When I start Firefox, after opening a new tab ...
0
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0answers
9 views

How to populate zeitgeist with firefox favorites and visited pages

Pretty straightforward question here. How to populate zeitgeist with the pages visited & favs from Firefox? I remember that there was a package/extension that provided that in the past, but I ...
0
votes
0answers
10 views

Unable to do a full maximize of the Firefox window?

Something weird happens to Firefox (37.0.2) after some time (probably days) has elapsed into its start and it does not maximize fully anymore. Neither with the Ctrl+super+↑ or the maximize key. And ...
1
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0answers
19 views

Firefox is using KDE oxygen GTK on Unity

I am using Ubuntu 14.04 with multiple desktop environments (unity, cinnamon and KDE). However, after I installed KDE, Firefox began to use oxygen GTK when I am using Unity or Cinnamon. If a click ...
0
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0answers
8 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 ...
0
votes
2answers
57 views

Bluetooth from commandline? [duplicate]

I've been trying to pair up my bluetooth keyboard with my computer after reinstalling from a standard ubuntu 12.04 to a minimal install. In the minimal install I have no gui, so I've been trying to ...
0
votes
1answer
87 views

When Chinese ibus input is on, selecting text on Firefox textareas makes the text disappear

The selected text does not have be Chinese characters, any character just disappears. The problem happens both on: mouse drag ctrl + A selection methods. I installed the Chinese input through ...
1
vote
2answers
54 views

Icon of running firefox in the specific profile in gnome

I have few firefox profiles, which are launched as different processes in the panel header. Like that: How can I customize icon of the firefox in the process menu? I mean this icon:
2
votes
1answer
37 views

Unable to add new bookmarks to Mozilla Firefox's bookmark bar any more

I imported my bookmarks from Google Chrome into Mozilla Firefox as I wanted to remove Google Chrome, and instead use Mozilla Firefox. So in my Bookmarks Menu section there is a folder called Bookmarks ...
0
votes
0answers
13 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 ...
0
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0answers
26 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 ...
1
vote
1answer
26 views

Webinar woes, won't play in Firefox or Chrome [closed]

I'm trying to view this webinar, but it won't play in Firefox or Chromium under 14.04LTS. How can I begin to diagnose what is going wrong?
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2answers
79 views

Run FireFox as root as always without password

How i can run firefox as root from launcher in ubuntu 14.04 always without password ?
2
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2answers
98 views

Open multiple firefox tabs from command line

I'm trying to open firefox with two tabs from the command line, with two separate web addresses. So far I'm having no luck. firefox -new-tab https://www.evernote.com/Home.action -new-tab ...
0
votes
1answer
67 views

Ubuntu 14.04 stopped booting suddenly

I've had Ubuntu 14(Trusty, then Unicorn) since not long after it came out, and I have enjoyed the system without any real significant problems.....until not much earlier today, that is. It started ...
1
vote
1answer
133 views

Firefox 37.0.2 not opening (removing firefox did not help) runing ubuntu 14.04 LTS

Opening firefox through the desktop icon will show the loading cursor, but a few seconds later it will stop loading and never open a firefox window. It is possible to load firefox from the terminal, ...
1
vote
1answer
176 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
vote
2answers
112 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
196 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
vote
1answer
100 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
73 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 ...
0
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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 ...