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
22 views

Changed properties of application by accident what is default: FireFox

I was trying to create a custom shortcut so that I could use multiple profiles with FireFox, however when I created the "link" it was a symbolic link so I edited what I thought was a "shortcut" but ...
1
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0answers
116 views

Wget giving 403 error

I am trying to download a mp4 file from www.dayt.se. I used Inspect Element feature of Chrome to get the url of the video file. I can download the file with that URL on Chrome. But I get the 403 ...
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0answers
46 views

X-window freezes (Firefox) but becomes active again if I maximize the window

Occasionally the Firefox window freezes. The cure is to maximize the window and then I can resize it to the previous size. This happens very rarely (so its not a big problem). However, I have ...
0
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1answer
65 views

Ubuntu slows after a day of use

I installed Ubuntu on my laptop a few weeks ago and I've noticed that after a day of use it's noticeably slower than when I boot it up in the morning. I'm doing web development so I'm using PyCharm, ...
5
votes
1answer
63 views

Where on earth are my fonts? Firefox has nothing for “sans-serif”?

I recently upgraded to 15.10 and jumped through a bunch of hoops to get Clementine running and somewhere along the way I stopped seeing text on quite a few web pages in Firefox. I thought that a ...
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0answers
111 views

Ubuntu 15.10 freezes on new tab opening in any browser

I'm using Ubuntu 15.10 on Thinkpad T440, and latest Chrome, Firefox and Vivaldi as browsers. For each of them system sometimes freezes on new tab opening (to be more specific, on page in that tab ...
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0answers
79 views

how to correct firefox fonts and colors after installing kde in ubuntu

Recently, I installed kde-desktop in ubuntu 14.04. After that fonts and colors in firefox are ruined. How should I correct it?
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0answers
94 views

Youtube fullscreen weirdness in 15.10

I've recently updated to 15.10 from 15.04. I first had to fix Youtube not streaming in 1080p60 by following this answer: http://askubuntu.com/a/689476/310257 Now I have a second problem: when in ...
2
votes
3answers
190 views

Chrome and Firefox not playing audio but system does

Last weekish my Chrome, Chromium and Firefox stopped playing any audio, wether it be from an <audio>, <video> or flash player. System tests play audio fine. I am suspecting Chrome and ...
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0answers
176 views

Can't play quicktime stream video on Ubuntu 15.10

I've installed Ubuntu 15.10 instead of Ubuntu 14.04. After that I can't play quicktime stream video from my video surveillance in Firefox (and in chromium and google-chrome too). I tried to install ...
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0answers
21 views

Terminal Command for open Application such as Skype, firefox et [duplicate]

At first I want to tell you sorry that my English is not good I am new in Ubuntu. And I am trying to learn it slowly slowly. I have searched many times in Google or others source, but I can't find it ...
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0answers
90 views

How could I change the fat fonts shown for gmail, in Firefox on Lubuntu?

Here is how Gmail looks in Firefox on, Windows: Lubuntu: The fat fonts lead to my being able to see lesser text in the same screen width and visual clarity/crispness. As you can see, the "i" on ...
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votes
2answers
665 views

NHK Live streaming not available on this browser

Ubuntu 14.04 LTS Desktop Firefox 42.0 Shockwave Flash 11.2.202.548 / 11.2 r202 AMD 64 All I can get from NHK World Live TV streaming (http://www3.nhk.or.jp/nhkworld/en/live/) is: Live streaming not ...
1
vote
1answer
62 views

How to change font size when printing from Firefox?

When printing a page from Firefox I only get a very large font so even the smallest web page needs two or more pages. Scaling the screen font has proved to be ineffective. Thus my question. TIA.
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1answer
117 views

Macbook Air overheating on firefox

Just installed Ubuntu 14.04 on my 2014 Macbook air .. when opening up firefox it starts to heat up a little like from 49°c to 55-56°c .. and then when streaming video on youtube it just goes up to ...
3
votes
1answer
290 views

How to create a custom splash screen for a program?

I am currently building a client for our users at work with Ubuntu MATE 15.10 and Plank as a dock. But when I click for example the Firefox icon in the dock nothing happens until it suddenly pops up ...
5
votes
2answers
78 views

How to set firefox so that it asks for profile while opening?

How to set Firefox so that it asks for profile while opening. Can I edit the Firefox binary for the same ? if yes, how can it be possible ?
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0answers
6 views

Youtube installed to Unity's launching bar [duplicate]

I once got prompted about installing Youtube. After confirming, Youtube icon appeared in Unity's launching bar. It seems to be a wrapper around Youtube web page. What mechanism is responsible for ...
1
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0answers
632 views

This Connection is Untrusted and it is showing This site uses HSTS to specify that Firefox only connect to it securely [closed]

I see the following message in Firefox when trying to access https://www.google.co.in This Connection is Untrusted You have asked Firefox to connect securely to www.google.co.in, but we can't ...
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0answers
15 views

How to sync Firefox before the computer suspends?

I want to sync my Firefox, before I suspend my computer, so that I can resume reading on my mobile. Currently I have to manually press sync button in Firefox before suspending the system. Is there any ...
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0answers
159 views

how to downgrade JRE used by firefox

I have a couple of versions of oracle (sun) java installed and I'd like firefox to use the older Java (JRE) 7. I've configured both the alternatives for java and mozill-javaplugin.so to use JRE 7. ...
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0answers
41 views

Firefox and Thunderbird will not launch - no known changes leading up to this event

After months of troublefree operation I started my computer to find that I cannot launch either Firefox or Thunderbird. dad@dad-Extensa-5235:~$ firefox Could not stat private per-user gnome ...
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votes
1answer
80 views

Weird youtube logo today [closed]

Anyone else see the youtube logo like this today? It suddenly became some weird blue thing. Is it just me?
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0answers
460 views

Firefox 42 crashes all the time

I have tried various tips from the web to try to get my Firefox back in action. Does anyone have any further advice? It crashes 6 times a day. I send in the crash report every time. Mozilla/5.0 (X11; ...
3
votes
1answer
116 views

Opening a New Window from Unity (Firefox)

I am using multiple workspaces. Whenever I click the Firefox icon in the Unity toolbar it takes me to the workspace with Firefox currently open which is a useful feature. However, every time I click ...
2
votes
2answers
172 views

Installing multiple version of chrome & firefox on one ubuntu machine

i would like to install many chrome and firefox versions for one user in ubuntu. if it is possible, how can i do it? thanks.
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0answers
47 views

Ubuntu not downloading files of any type (regardless of download method)

I just recently installed ubuntu on my computer and I've encountered a very annoying problem. Any time I try to download any type of file from any platform (directly via command prompt, ubuntu ...
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0answers
21 views

webpage with xhtml extension donot open in firefox in ubuntu gnome 14.04

Webpages with xhtml extension donot open properly or completely in my recently installed ubuntu gnome 14.04 with firefox. But i can open webpages with html extension.
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1answer
349 views

Proxy Authorization Required

I am using Ubuntu 14.04 LTS(64 bit) Problem I am not able to access internet due to failed proxy authentication process. I have specified a proxy server in FireFox -> Network ->Manual.. As soon as ...
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0answers
153 views

The page isn't redirecting properly in Firefox

I am facing issue for my site on browser with secure connection - https I got below errors Chrome - This webpage has a redirect loop Firefox - The page isn't redirecting properly I application in ...
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0answers
73 views

Firefox Browser has Safer Browser Home Page…cannot change…why? How?

I have used FF for many years. All of a sudden when installing it with Ubuntu Software Center, it comes with a home page: ...
2
votes
1answer
37 views

Why isn't this package auto-updating?

I have the PPA for Mozilla's daily builds of Firefox set up, but for some reason firefox-trunk has not updated for over a month. In the PPA, it shows that it should be at version 45a1, but instead ...
2
votes
2answers
199 views

What plugin do I need to install for Firefox to show the content of these websites?

I am trying on some VoIP quality test websites Firefox, but because of lack of some plugins, I can't do the test. See the screenshots below. What plugins do I need? The second screenshot says "This ...
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0answers
82 views

4oD / E4 Player - Preview's working main video's not

Ubuntu 14.04, Firefox &. Chrome. I am encountering weird issues with the 4oD/E4 Player (both the same thing just different names). I am able to play without issues the small preview clips they ...
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0answers
24 views

UBUNTU 15.10 & Firefox 24 & Wireless

I just upgraded UBUNTU 14 to 15. Firefox worked fine on 14 but not on 15. The network says that it is connected and working well but Firefox can not connect to anything.
0
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1answer
21 views

How to prevent copying additional nonvisible text

I've asked similiar question How to make copying command from website to terminal secure?. Scenario is very simple, you want to copy something from website but what you end up with something else. ...
3
votes
3answers
109 views

Automatically add '.pdf' extension and open resulting file when printing to PDF in Firefox

When I print a webpage to PDF in Firefox, it saves the file but without the .pdf extension in the name. I have installed various add-ons but ended up with the same result. I don't want to manually ...
1
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0answers
164 views

Thunderbird 38.3.0 on Ubuntu 15.04 - Cannot connect to gmail server

Linux LCP22 laptop, 64bit Ubuntu 15.04. Thunderbird 38.3 & Firefox 42.0 I am new to Ubuntu & command terminal use. My problem seemed to start around 20 Oct. Initially is seemed the problem ...
1
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1answer
56 views

Some strange users

something going wrong here. Here is my htop screenshot. I didn't launch any firefox or firefox plugins. In fact I've just deleted firefox at all. Here is my /etc/passwd $ cat /etc/passwd ... ...
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0answers
16 views

I need help with downgrading flash (firefox)

I need to use flashplayer10 for something, I already uninstalled the current flash player but I have troubles with installing the old version. I put the libflashplayer.so file in ...
1
vote
1answer
981 views

intermittent error while browsing on chrome DNS_PROBE_FINISHED_NO_INTERNET

On ubuntu 15.10 while browsing with firefox or chrome i randomly get this error and then i have no internet unless i reconnect to the wifi (or reboot) the error > DNS_PROBE_FINISHED_NO_INTERNET Does ...
1
vote
1answer
183 views

How do I make Firefox in Lubuntu use less virtual memory?

I have Lubuntu 14.04 installed on an old XP desktop, which has an Intel Celeron 2.00GHz and a SiS 651 graphics chipset. I have upgraded it with as much memory as it will take (2GB DDR), and a 120GB ...
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0answers
224 views

Ubuntu 15.10 with Firefox 42.0 streaming does not work

I recently made a fresh installation of Ubuntu 15.04 and since then my Amazon prime video/music would not work any more (before with 14.04 it worked just fine). I have the newest version of Firefox ...
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votes
2answers
213 views

Old solutions for making Amazon prime videos play on Firefox and Chrome not working on 15.04

Solutions at this link Amazon instant video 14.04.1 LTS are not working for my current install. It did work on 14.04. I been trying to figure this out for a few days. Tried both the hal and moonlight ...
1
vote
1answer
176 views

Compton: Incorrect shadow display (favourite settings)?

I am experiencing problems with the shadow display of the Compton composite manager. In certain situations, the frame for the shadows exceeds the window it is applied to, leaving a visible border and ...
0
votes
1answer
104 views

Firefox 42.0 won't start anymore in 14.04 LTS (firefox:2547): GLib-GObject-WARNING

Ubuntu 14.04.3 LTS - Firefox ver 42.0 doesn't start anymore via Unity bar shortcut, one day after I installed the system. I can turn it on via terminal (sudo firefox ), but displays the following ...
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0answers
14 views

How do I just get firefox updated, and back on my launch bar?

I'm done with the headache. My dad needed to view a webpage for work. We have ubuntu because we aren't buying windows again. All he's used it for for the last year and a half is checking email, and ...
5
votes
3answers
102 views

If I compile Firefox instead of binary install it will work faster? [closed]

Many times I hear that software compiled at my hardware will work faster at my hardware. Can I win 10% of performance of Firefox or Chromium if compile from source?
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0answers
51 views

Fixing Colors on Firefox Developer Edition

Update Okay, so changing the Gnome Tweak Tool 'Global Dark Theme' to false, did the trick, but I liked the dark theme for my other applications. Any chance I can control these colors on a per ...
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0answers
149 views

Can't use icedtea plugin without removing proprietary plugin (firefox)

What I'm trying to do: Switch from using the proprietary java plugin (java 1.8.51) to using the icedtea plugin. Apparently there still doesn't exist an icedtea-8-plugin for ubuntu 15.10 in the ...