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
43 views

Why do I see a “Firefox” button on Firefox 28?

I noticed that recently the "Firefox" button appears again in my Firefox 28, even with Global Menu installed. This is really back or is something wrong with my Firefox on Ubuntu 13.10?
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0answers
15 views

Web App tweak in 14.04?

After upgrading to 14.04, web apps now open in a Firefox window without the FF menus or navigation bar, or option to add tabs. I liked it better with those. A major annoyance is the inability to ...
0
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2answers
44 views

How can I have flash newer than 11.2? [duplicate]

A site with online games ask at least 11.8 and I don't know how can I update to this version. Is there a way for Firefox?
1
vote
1answer
2k views

How do I set Ubuntu Software Center as default to apt links?

I was about to install Bank-ID but got stuck with this apt-link. If I click on that link the file manager gives me the opportunity to choose a specific program to open the file. I can't find Ubuntu ...
0
votes
3answers
2k views

Firefox installation error in Kubuntu 12.10

I keep getting this error: Package: /var/cache/apt/archives/firefox_20.0+build1-0ubuntu0.12.10.3_amd64.deb Error: trying to overwrite '/usr/share/applications/firefox.desktop', which is also in ...
0
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1answer
39 views

Flash don't work Lubuntu 14.04

I had installed Lubuntu 14.04 and Flash don't work when I open with firefox a video of youtube or spotify web client or yes.fm I can see that the addon is ok: shockwave flash version 11.2.202.350 ...
6
votes
3answers
12k views

Cannot locate Ubuntu Software Center via Firefox to open APT links

I'm trying to locate where the Ubuntu Software Center is to choose as default for handling APT links in Firefox. I can click on the links, and I get the pop-up, but Ubuntu Software Center is not ...
0
votes
1answer
17 views

Newbe: Dont understand description how to sync firefox

want to sync firefox on two computers, both with identical ubuntu firefox. The official descrption is confusing me. I never know, which one is the "other" computer. Where can I find a step by step ...
3
votes
2answers
555 views
+50

Horizontal scrolling in Firefox to Shift+Mouse Scroll (instead of Back/Forward)

On Ubuntu 13.10, with Chrome browser, gedit, Gimp etc. the Shift + Mouse Scroll == Horizontal scroll. With Firefox (26.0) it behaves as Back/Forward page, which is really annoying. How I can ...
1
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0answers
18 views

Can't add firefox search engines (ubuntu 14.04 & firefox 28)

From the firefox search engine page (https://addons.mozilla.org/en-US/firefox/search/?atype=4), I get the following error alert message when I click "+ Add to firefox": Sorry, you need a ...
0
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1answer
37 views

Firefox: control shift t shortcut does not work since upgrade to 14.04

Since upgrade to ubuntu 14.04 from 13.10, the Control-shift-t shortcut allowing to bring back latest deleted tabs in firefox does not work anymore. My keyboard configuration is latin-be. This is my ...
2
votes
3answers
4k views

Firefox doesn't launch in ubuntu 13.04

Firefox starts when I use sudo in the terminal, but not from the launcher. All the other apps work like a charm, just not Firefox. How can I fix this?
5
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2answers
972 views

What does Firefox AppArmor restrict/allow?

I know the AppArmor profiles resides in /etc/apparmor.d/, but I do not know how to interpret it. Any translation would be enlightening.
4
votes
3answers
69 views
+100

Switching off images in Firefox

In older versions of Firefox there was an option to switch off loading of graphics. Now, in 28.0 I can no longer find it. It uses to be in [Edit] -> [Preferences] -> ... Is there a simple way ...
0
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0answers
20 views

Facebook is not responding accordingly in Firefox

I have Ubuntu 13.10, on Lenovo G585. I have reported some of my problems before, and you were very helpful. Facebook (only) is not responding accordingly only in Firefox, but works fine in Chromium, ...
1
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2answers
1k views

How do I remove Netflix-Desktop completely

The script to install Netflix-Desktop downloaded everything needed except for Firefox. I keep trying to remove the program through "sudo apt-get remove --purge netflix-desktop". However, when I ...
0
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0answers
16 views

Ubuntu won't log out, Firefox stays open

I'm having a issue on a clean install of Ubuntu 14.04 where I cannot log out if Firefox is open. The Unity interface goes away and Firefox is still open, although I cannot type in anything, elements ...
1
vote
2answers
1k views

How to install using the apt:// url on?

I ran into this website: https://apps.ubuntu.com/cat/applications/synaptic/ and on it there is a link to be opened with the Ubuntu App center, but Firefox doesn't know what to do with it. What I got ...
6
votes
1answer
9k views

Does Firefox support hardware acceleration on Ubuntu?

After I have installed Ubuntu 12.04 LTS (32 bits), Firefox 12 works fine but without hardware acceleration. Needless to say I have the latest nVidia's proprietary drivers installed and my Firefox ...
13
votes
4answers
3k views

Add certificate authorities system-wide on Firefox

I want to add some root CAs that doesn't come with the default firefox on Ubuntu, but I don't know how. I tried adding them to the local certificates with certutil, but it didn't work. It messed up ...
1
vote
3answers
1k views

FireFox won't launch, “Error: Access was denied while trying to open files in your profile directory”

I cannot launch FireFox, as I'm getting the "Your Firefox profile cannot be loaded. It may be missing or inaccessible." error when I attempt to launch the latest FireFox in Ubuntu 13.04 (up to date). ...
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votes
1answer
14 views

Import Bookmarks in Firefox from Windows to Ubuntu?

I have windows 7 64 bit on my laptop and have just installed ubuntu 14.04. Is there a way to import my bookmarks from my windows firefox and integrate them into my ubuntu firefox web browser? I could ...
0
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0answers
22 views

Video players don't show up properly in web browsers

After installing Ubuntu 12.04 LTS, I've noticed that sites that play videos don't display properly. The video shows up distorted in both Firefox and Chromium Web browsers. My desktop PC has an ...
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votes
1answer
58 views

Firefox not closed properly when loging out

I just installed Ubuntu 14.04 beta2 and out of 25 tries either logging out, shutting down or restarting, my session didn't close Firefox properly 23 times when exiting. The result is the Firefox tabs ...
-1
votes
1answer
400 views

How do I run portable versions of apps on Linux?

Sometimes I just want to try a software out without installing it onto my system. For example, I downloaded the BlueGriffen software from here When I extract the tar.bz2 file, I have the bluegriffen ...
7
votes
1answer
2k views

Firefox not affected by gtk theme

How can I make firefox use Adwaita theme like all other apps do? Good: Bad: Preferably also make web pages darker as well.
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0answers
82 views

firefox crash watching videos on Ubuntu 14.04

Ive had this problem before where firefox crashes and locks the machine. To get the machine usable again i have to take the machine down the hard way by the reset button. This problem seems to ...
4
votes
3answers
9k views

How to make new tab open a blank page in firefox?

Today ubuntu software center asked me to update things as usual, and I accepted. But now when I open a new tab in firefox, it shows 9 'mini pages' taken from the history of visited pages. How can I ...
3
votes
2answers
6k views

YouTube will not play in Firefox or Chrome on fresh 12.04 install

First of all let me state I am new to Ubuntu and the Linux platform all together. I decided to install on an older PC (Pentium 3) to get some use out of it. Everything seems to have installed fine ...
0
votes
1answer
380 views

i cant see youtube videos in ubuntu 12.04

Please help I've just installed Ubuntu 12.04 and I'm new to this Operating system...when I try to see videos on You tube its just show the videos like colour Film and Ads too.I have a doubt with adobe ...
0
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0answers
26 views

How to select which application should be used by open containing folder?

I have already read some questions and answers here and on the internet, but I wasn't able to solve my problem. I think it is related to having installed both ubuntu-desktop and kubuntu-desktop. I ...
0
votes
0answers
15 views

After upgrade to Ubuntu 13.10, Firefox sometimes crashes the computer

The previous Ubuntu was 12.04 when Firefox worked fine. The computer is an HP Pavilion DV4 laptop and now is upgraded to Ubuntu 13.10, Firefox v28.0,Canonical-1.0. Firefox may run for sometime then ...
0
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1answer
21 views

Firefox: change default application

Me default djvu viewer is okular: xdg-mime: $ xdg-mime query default image/vnd.djvu okular.desktop in $HOME/.local/share/applications/mimeapps.list: [Added Associations] ...
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0answers
19 views

tradesignalonline.com/katsomo.fi add-on Wine Firefox/Internet Explorer [duplicate]

Can anyone tell me how to get this site to work? On this site it tells me that I need to be in Windows using Internet Explorer or Firefox. Well, I tried to do it using Internet Explorer and Firefox ...
2
votes
0answers
22 views

How can I east asian language input work properly on swf played with firefox?

I want to input CJK (Chinese, Janpanese, Korean) languages on swf played with firefox. But I can input only english in it. I am using Ubuntu 12.04 LTS. What happen and How to solve this problem?
1
vote
1answer
47 views

HUD causes Firefox to lag when its window loses focus

So, I have 13.10 installed, and Firefox has been slow lately. After opening preferences, whenever I click on another window then click back to Firefox, it takes 5-10 seconds for anything I do to ...
0
votes
0answers
26 views

Cant associate magnet links

Chromium browser opens Firefox instead of handling magnet links. I've tried looking aroud and found How to tell chrome what to do with a magnet link But it doesnt work for me .. I've ran : "xdg-mime ...
5
votes
2answers
86 views

Is it possible for Adobe Flash to kill my GPU?

The question Is it possible that Adobe Flash in Ubuntu 12.04 on Firefox could damage my GPU? History So... there I was, using my beloved Ubuntu 12.04, Doing some PHP/Javascript/HTML development in ...
0
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1answer
32 views

Deleted CA Certificates in Firefox

I was very silly and deleted all my default CA certificates in Firefox. (I'm using Ubuntu). How do I get them all back?
0
votes
1answer
47 views

Flash Player Web Page Issue [duplicate]

I am using Ubuntu 13.10. When I try to open the Adobe Flash Player download page, Firefox shows an error that it is unable to open the page. It opens other pages fine but no the above page. What can I ...
0
votes
2answers
19 views

kubuntu 13.10 how to remove firefox installer

I installed kubuntu 13.10 and in the menu I saw a Firefox installer. when i click the installer muon discover shows firefox. I don't want Firefox as rekonq is pre-installed so how can I remove the ...
0
votes
1answer
54 views

Can't remove redirect malware on firefox

I researched and found: mypageresults.com is tabbed as a redirect virus that always slips into computer without user's approval. I can't remove it.I deleted all files of firefox.I removed firefox ...
2
votes
1answer
2k views

How to install Firefox and Firefox Aurora in parallel?

I would like to install Firefox Aurora in parallel with the "release" version of Firefox. I do not want to replace the release version. I managed to do this with Firefox nightly but not with Aurora. ...
0
votes
0answers
19 views

Intermitent Firefox/Thunderbird screen problem

Ubuntu 13.10, I7 3970, 12Gb Memory, Nvidia 650Ti driver 331. Sometimes, switching from one workspace to another, Firefox or Thunderbird fail to render the screen correctly. Below, the screen with the ...
3
votes
2answers
208 views

Black dashes when scrolling on webpages. Firefox 13.10

On Firefox with Ubuntu 13.10, and Cinnamon desktop I get dashes appearing on webpages when I scroll. See screenshot: Any ideas about what this is and how to get rid of it would be appreciated. It ...
0
votes
3answers
65 views

Alternative of CCleaner in Ubuntu 13.10 [duplicate]

Is there any alternative software of CCleaner in Ubuntu 13.10. My laptop is running very slow, and Firefox also running slow and unresponsive.
3
votes
1answer
14k views

How to enable Moonlight/Silverlight 5 on firefox?

I have installed moonlight from this post here: http://askubuntu.com/a/327862/188878 the problem is, the application/website I am trying to use "requires" silverlight 5. is there anyway to trick the ...
13
votes
3answers
3k views

How can an application (like Firefox) be forced to use a certain network interface?

I've two interfaces: eth0 and wlan0 on a notebook. Possible use cases: eth0 grants me Internet access, and wlan0 is currently connected to a router which does not have Internet-connectivity. For ...
0
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1answer
25 views

Firefox in Ubuntu does not load

I have just installed Ubuntu. Everything seems fine, BUT Firefox will only load Google, Bing and Gmail. All other web pages stall; just keeps loading without getting anywhere. This is hopeless because ...
4
votes
1answer
1k views

How can I get the menu bar in firefox?

I installed a fresh ubuntu desktop 11.10 and in firefox there is no menu bar. I tried several things like pressing the Alt key F1-12 right click on a free space in the tab bar but still no menu ...