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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26 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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47 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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1answer
39 views

Firefox on ubuntu does not restore tabs from last time

Okay, this is my first question, I'll try to explain what happens. I use Firefox Sync in three devices (my notebook running Ubuntu 14.10 and two other Windows machines), and I use the "show my windows ...
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1answer
45 views

connect to an authenticating sock5 proxy?

anyone has successfully connected to authenticating sock5 proxy server? firefox seems not to support username/password fields when configuring sock5 proxies (see this bug, they have a patch but they ...
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1answer
75 views

Where is the flash whitelist and blacklist on Firefox?

In Tools--->Add-ons-->Plugins-->Shockwave Flash I selected Ask to activate. Now I need to explicitly allow flash to play on every website I visit. It is possible to Allow and Remember or ...
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1answer
85 views

How to set Chrome as default browser for Java installation

When going into the Java Control Panel by executing the following command in Terminal: ControlPanel And going to the Advanced tab, I see that at the bottom it says: But I have set my default ...
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1answer
25 views

How can I see a music sheet on Mozilla Firefox under Linux Ubuntu?

I would like to see a music sheet on the Internet. I saw it on Mozilla Firefox. The error message is the following: Your browser has been detected as: Firefox for Unknown Platform How could I ...
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1answer
15 views

How can I associate MAFF file format with firefox

I have been saving web pages in MAFF fromat but in ubuntu these files are associated with fileroller. How can I change this so that it always opens with firefox?
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30 views

Create a .desktop file: cannot find the icon on my desktop

I am trying to install Firefox Dev and followed this: How do I install the Firefox Developer Edition? I created, with nano, a file: firefox_dev.desktop in ...
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1answer
150 views

Why firefox page scrolling is slow on Ubuntu 14.04? [closed]

Why on the firefox default installation (on 14.04) the page scrolling is so slow? With Chromium I haven't this problem. My hw: 4GB RAM and a nvidia video card (9600 GT). Thanks!
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30 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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2answers
92 views

How to make Firefox stop suggesting if I meant to go a website when I search

I search using the URL address bar in Firefox however when I search a phrase or whatever a popup always comes up asking " Did you mean to go to example? ". It's quite annoying and was wondering if it ...
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2answers
508 views

Why is `t=canonical` parameter appended to searches made on DuckDuckGo from Firefox search?

In Ubuntu 14.04, when I do a search in Firefox using either the address bar or the search bar, the system always adds t=canonical to my searches. So the full string becomes: ...
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2answers
53 views

Drop Down Firefox in ubuntu

Is there any way we can have Firefox the way we can have terminal with Tilda or Guake?
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55 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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23 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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1answer
99 views

Ubuntu Chrome can't load official adobe flash player?

I'm currently using chrome 39.0.2171.99 (64-bit) on Ubuntu 14.04. But i have encoding and massy codes problem when flash contains Chinese words.(This only happens in chrome, firefox in my ubuntu works ...
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2answers
373 views

Firefox keeps crashing on Ubuntu 14.04 [closed]

Since yesterday, every time I visit Youtube Firefox crashes. Also, it crashes on some other video streaming sites (or pages that include a video player like jwplayer for example), but not every time. ...
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1answer
103 views

Flash works ugly

After updates last Friday (16.01.2015) I have started getting problems with all my browsers which use Adobe Flash player (Firefox, Midori etc). Videos from Youtube, Vimeo, etc. are playing "laggy" ...
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1answer
29 views

What are the compilation steps for Firefox 33? [closed]

Where does browser.xul file stored during unzip of omni.ja by Firefox 33 ? What are the compilation steps for Firefox 33 under Ubuntu ?
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43 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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1answer
286 views

Firefox pdf-viewer don't work

After Firefox update from 34 to 35 via apt-get upgate; apt-get upgrade I can't open pdf's in Firefox. Download and read with evince works fine. How can i fix it? OS: Ubuntu 12.04 Firefox ...
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2answers
241 views

How to uninstall apps installed through Firefox Marketplace?

In Firefox 35, there is menu called "Apps" that allows to install "firefox apps" through Firefox Marketplace. I installed an app but now I can't find how to remove it! Is there an obvious way that I ...
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0answers
82 views

Firefox won't start, 'sys_page_size == 0' error

Out of the blue, Firefox Developer Edition from the PPA on Ubuntu 12.04 wouldn't start. It did not launch by searching through Unity and clicking on Firefox. Typing firefox in terminal gave me the ...
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84 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 ...
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1answer
117 views

Firefox 35.0 on Ubuntu 14.04 LTS sets a cookie to google.com even without calling any web location

I have updated my Ubuntu 14.04 recently and got a new firefox (version 35.0). I have configured an empty starting page and my default search engine is configured to duckduckgo. but: Since the update ...
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0answers
347 views

Firefox keeps freezing after upgrade to v35 on Ubuntu 14.10

After upgrading to Firefox 35 on Ubuntu 14.10, I keep experiencing browser freezing every time when I open a new tab, especially when I type in the address bar. The memory usage surges dramatically ...
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2answers
230 views

Chromium + Firefox - flash doesn't function w/Pepper.

Environment: toshiba chromebook with crouton ubuntu 12.04 Problem: Flash doesn't function on Chromium. Flash doesn't function on Firefox. Sound muted in Ubnutu Desktop. I'm going to order the ...
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2answers
94 views

Firefox fails to start on Ubuntu 14.04

I am unable to start Firefox. Whenever I click on the icon the mouse pointer just changed the state to indicate its busy and the after 2 seconds it would change back to a pointer. I ran the ...
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2answers
35 views

How to make CTRL+F4 to close the current tab in Firefox?

On Ubuntu Studio 14.10, the CTRL+F4 seems to work as a shortcut for opening the 4th desktop (tested using a live DVD, without any customizations). However, I only need two desktops, so I reduced the ...
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1answer
33 views

Delete all site data in firefox [closed]

I have 2 google accounts and firefox on startup always logs into the wrong one which really pisses me off. How can I make it log into the first one or forget all data regarding websites to start over? ...
2
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0answers
65 views

unable to install webapps from firefox in 14.10

I've upgraded to 14.10 and I'm not able to install webapps from Firefox. For example, when I'm on Twitter I've the popup asking me if I want to install it but if I select "install" it does nothing. ...
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60 views

My close, minimize, maximize buttons have disappeared from chromium and firefox, how do I get them back?

They have disappeared randomly from both chromium and firefox. How do I get them to re-appear?
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20 views

FireFox can't acess outlook page

I just installed Ubuntu on my laptop. I can't visit this page. No luck with Chromium Browser too. I have already cleared the browser's data but nothing happened. What should I do?
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10 views

wmctrl: Permanently renaming a window

When i use wmctrl to rename a window (Firefox) to something else, the reload of a page or switching to a tab overwrites that name. How can i permanently rename a window? Or how could i re-rename it ...
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2answers
40 views

Too slow to select application to open a download file in Firefox [duplicate]

For unknown reason, some of downloaded pdf files in Firefox are opened by default by gedit, and some are by default by evince. For those which will be opened by default by gedit, I want to select the ...
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1answer
71 views

How to setup Belgian eID Ubuntu 14.04

I want to use my Belgian EID to login to government websites online. How do I set this up in Google Chrome and Firefox in Ubuntu 14.04? Thanks!
1
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1answer
34 views

Is there a tool for benchmarking scrolling speed of browser?

As the title asks, is there a tool for browser scrolling speed? I'm working on graphics and need a numbered performance of scrolling. I saw some mail threads regarding firefox-scrolling benchmark, ...
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1answer
101 views

How to update firefox [closed]

I am currently using linux mint 15 and I get a message that says your version of firefox which is 26.0 is out of date and will no be supported soon. when I try to update it from the firefox website it ...
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1answer
60 views

Installing Firefox Developer Edition

I want to use Firefox Developer Edition separated from the normal Firefox so I need two short cuts for the launcher, one for the regular Firefox and another one for Firefox Developer Edition. I am ...
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1answer
113 views

How to make Ubuntu working with tablet?

I wanted to install Ubuntu on my tablet pc as main operating system but it was really hard to make it working with touch screen. The system reacts on touch and mouse click differently and it produces ...
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1answer
93 views

My struggle with Adobe Flash EXE files as a new Ubuntu User

Okay, I'm new to using Ubuntu, but the only real problem I'm having, is not being able to open certain .exe files (while having WINE), due to Adobe Flash not being able to load. I have Adobe Flash ...
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2answers
54 views

FireFox in14.04 on a 32 bit mechine? It will not run any videos.

I have been fighting this for weeks it seems. Installing with the Software Centre fails. I had a command line last week that got Firefox to run most videos. But a major crash killed all my documents. ...
0
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1answer
73 views

System freezes when browsing and opening email client

Issue: The system freezes frequently, and to the point where there is nothing to do but hit the restart button on the case. This happens in particular when using the browser (Firefox) and almost ...
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0answers
99 views

Firefox Java plugin (icedtea) is installed, what prevents it from being loaded?

After upgrading my Ubuntu installation (now running 14.04 LTS) my java plugin for firefox ceased to work. It does not report an error or anything it just tells me that I need to install a plugin to ...
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1answer
69 views

Black Screen of death?

Hello there I have a problem regarding Black Screen on mine Ubuntu 14.04. Short version. When I play a video on Chromiun Web Browser I got an instant nasty black screen. This especially happens when ...
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1answer
64 views

firefox not working after trying to dowload firefox 34.0.5

I use the VMware Workstation to use Ubuntu on Windows. The current version of Firefox was 31.0 and the Mozilla Firefox download download page said that this was the current version! (34.0.5 is the ...
0
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1answer
36 views

Whenever I open firefox from terminal there is an error [duplicate]

Currently using 14.04 and whenever I open firefox from terminal this error message comes (of course it does open firefox and it works fine) (process:7949): GLib-CRITICAL **: g_slice_set_config: ...
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81 views

Youtube videos are slow in full screen for firefox and chrome problem ubuntu 14.10 [duplicate]

After upgrading Ubuntu version to 14.10. Firefox and chrome youtube videos are slow in full screen where as they work fine in normal mode. Also flash games are also become very slow and ...
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2answers
189 views

How do I make Firefox Developer Edition my default browser?

I want to make fde my browser by default, I installed it following this guy's video and clicked the "Use firefox developer edition as my default browser" but when I closed and tried to open it again ...