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I recently updated to 20 and my spellcheck context menu has vanished.

What if you aren't even given the check spelling or languages menu option yet the broken red line under mispelled words occurs and no spelling suggestions made when right clicking on those words?

Some additional information:

In my about:config i do have the following in bold: spellchecker.dictionary;en-US user set string en-US

https://developer.mozilla.org/en-US/docs/HTML/Controlling_spell_checking_in_HTML_forms?redirectlocale=en-US&redirectslug=Controlling_spell_checking_in_HTML_forms

(I want spellechecking EVERYWHERE, how do I implement that?)

Also there is this: http://trac.xinha.org/ticket/1119

I do not have xinha installed but the behavior is similar. I get the lines, but no options.

https://www.facebook.com/login.php?skip_api_login=1&api_key=302061903208115&signed_next=1&next=https%3A%2F%2Fwww.facebook.com%2Fdialog%2Foauth%3Fredirect_uri%3Dhttps%253A%252F%252Fwww.facebook.com%252Fconnect%252Flogin_success.html%26display%3Dpopup%26scope%3Dpublish_stream%252Cread_stream%252Cstatus_update%252Cuser_photos%252Cfriends_photos%252Cxmpp_login%26type%3Duser_agent%26client_id%3D302061903208115%26ret%3Dlogin&cancel_uri=https%3A%2F%2Fwww.facebook.com%2Fconnect%2Flogin_success.html%3Ferror%3Daccess_denied%26error_code%3D200%26error_description%3DPermissions%2Berror%26error_reason%3Duser_denied%23_%3D_&display=popup this link gets opened all the time and its annoying

The only icon visible on the toolbar relating to the facebook messenger is the facebook logo icon, which allows to login/logout and show/hide the sidebar, the other 3 icons should be visible also but are not?

Any help appriciated, thank you.

Support for enablePrivilege has been removed in Firefox (Bug 546848), so it is no longer possible to get special elevated privileges by using this method.

If a web page (or local html page) is using this then they will have to use other ways get what they want like providing a Firefox extension.

Where is it possible to find an exension of this kind (if it exists)?

just installed FF 18.0 on Linux (Centos 5.8) where 17.0.1 has been running fine.

I always install in a local (to my login) directory, and have a desktop launcher to start it. I download each .tar.bz2 FF package to a subdir, where I unpack it, overwriting whatever was already in the firefox directory in that location.

doing that, I get the error above. so I renamed the directory and did a fresh extraction into the firefox directory that tar creates when unpacking the archive. SAME PROBLEM.

moving that directory aside and re-extracting the 17.0.1 archive yields a working Firefox.

What can I do to solve this problem?

the troubleshooting info below came from FF 17.0.1, since FF18.0 doesn't work.

On my Linux Ubuntu system with Firefox 17.0.1 (and with several earlier releases, eg 12-16 I think) after a few weeks the tab triangle or arrowhead on one or more Firefox windows becomes defective. This problem is different from http://support.mozilla.org/en-US/questions/931515 in that if I restart the browser and resume the Firefox session the problem goes away for a while. (Note: I will wait until 05:00 UTC on 28 Dec before restarting FF to clear the current instance of the problem, in case anyone can suggest other relevant tests or data.)

The main symptoms are these: Triple click no longer slides the list of tabs all the way left or right. Double click appears to work once (from an extreme end). Single clicks step the tab list one tab at a time up to near an extreme end but then stop working before the extreme tab becomes visible. The following paragraphs give some more details about the symptoms.

When the problem occurs, tabs for new pages (eg reached by links from the right-most visible tab and opened in new tabs) do not become visible (that is, are not squeezed into the list on the tabs bar). The right-facing triangle, although not grayed out, does not make the tabs for the newly opened pages visible, but seems to have no effect. Clicking the X for the right-most visible tab closes that page and then one of the tabs that are "hidden out to the right" becomes visible, but other tabs out to the right remain inaccessible.

Meanwhile, the tab triangle arrowheads continue to work ok on other FF windows. For example, the left and right tab triangles in this current FF window (where 15 tabs are visible for 17 pages open in the window) are working fine. But in the FF window with the problem (where 15 tabs are visible for 40 pages open in the window) the triangles stop working one tab too soon: they don't give access to the leftmost or rightmost tab.

Note, clicking + (Open a new tab) jumped the list to the right end, with the new tab and an empty page visible; but after I clicked the left triangle three times, so that the new tab scrolled off to the right, no matter how many times I click the right triangle, that tab remains invisible, even though the webpage for it is still visible as the currently selected page. Opening a URL from command line acts the same way.

The system runs Linux 3.2.0-35-generic #55-Ubuntu 12.04.1 LTS x86_64 system with Firefox 17.0.1. I don't remember when I first encountered the problem but believe it was in 2011 (vs 2010) on a Fedora 7 system. Restarting FF has always cleared the problem. The command line "echo session $DESKTOP_SESSION desktop $XDG_CURRENT_DESKTOP; wmctrl -m" produces (in part)

   session ubuntu-2d desktop Unity
   Name: Metacity

"top" shows, in part:

 PID PR  NI  VIRT  RES  SHR S %CPU %MEM    TIME+  COMMAND
3033  20   0 2158m 1.1g  38m S    7 28.7   3878:21 firefox

Note, I snipped 1200 lines of text from the Troubleshooting Information because the 50000 bytes in it pushed this post's length over the 30000 byte limit. All of the snipped lines started with "print.tmp.printerfeatures"

"Settings" option is greyed when I right click the flash video. I want to disable Hardware Acceleration. I have disabled it from the Preferences window. But this hasn't stopped the slowness that Firefox develops while playing flash video.

I have the same problem as https://support.mozilla.org/en-US/questions/881844 but with fx 21.

Firefox 21 on Ubuntu 13.04 stops loading pages after a while, ranging from less than an hour to a day, of regular browsing. It gets stuck on "looked up whatever.com" or "connecting to..." message. Restarting the browser makes it work for another period.

Changing network.http.max-connections did not help, clearing various history items (cookies, cache, ..., or everything except saved passwords) did not help.

I now disabled ipv6 https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can?#w_ipv6 and prefetching but the fact that the problem occurs after several hours makes it hard to test.

Automatic updates do not work behind proxy on Windows machines. Fix this Alot of applications can do this but neither Firefox nor Thunderbird can. Noone cares for your stupid decisions about FirefoxOS replicating ChromeOs which is money on the wind as well. But why not do something useful for ........

Yes i know, linux doesn't have this problem and its ok there but microsoft isn't so generous thats why many companies have to think of dirty way doing things. Thats the only thing i ask, one more dirty thing for dirty os, thanks.

Edited by a moderator due to language. See the Rules & Guidelines .

Since upgrading to Firefox 18 from Firefox 17, the fonts look very blurry when a page is loading. This can be the same webpage, or a different webpage in another tab.

If the webpage loads quickly, it is difficult to see the blurry fonts. However, it is specially noticeable if I am reading an email in Gmail, and then start loading a page in the background (e.g. by middle-clicking a link in an email). The fonts of the email will become very blurry.

This does not happen if zoom is not enabled. However, obviously, I need zoom enabled as the fonts are too small otherwise.

I'm on linux system (OpenSUSE 12.1) running firefox 17 trying to get a java web site to work for me. I believe that I use a plugin to achieve this so on searching for a plugin I get offered Java Console 5.0.12 I accept the terms and conditions and firefox starts to download but immediately reports that there was an error downloading try again. Not sure how to get this working as it's been like this for days.

Am I trying to install the wrong version? It's the one Firefox offers me.

I've gotten the font size of the tabs and menu bars and buttons too large, in both firefox and thunderbird, and can't figure how I did it or how to shrink them to the right size. This is not the websites I'm talkling about, but how the program displays are sized. I've gone over and over the menus and options and can't find the adjustments.

Another long time user that has been with you for years has had enough, over to Opera where I can write an email without looking like an unprofessional dummy that can't even use spell checker.

Linux mint 14, fully updated, two different pc's both same problem with spellchecker, this problem has been going on for a long time now. Do you really expect people to use a browser without a spellcheck? This has been a 'bug' for how long now? People just go elsewhere, why wouldn't you, try running a business and sending people sketchy looking emails.

I fix PC's for a living, I used to put everybody onto Thunderbird and Firefox, do you think I still do that? Obviously like the people I know who do the same thing for a living, I put them onto Chrome so they don't ring me complaining that it doesn't work properly.

You guys are loosing market share for a reason, we need a functional non bloated browser that doesn't freeze and crash all the time, forget the fancy add-ons and themes, make the basics work because from the techiest person to the most useless pleb luddite, we all need the basics to work or the browser is a useless piece of crap.

This site is proof of how you are alienating people too, I go to register and it tells me I don't need to register for a new question, I click on that and half way through it asks me to register, then when registering it took about 6 tries for your javascript to accept it: "username too short", "password is short", "username exists". Tell us before ffs! I nearly gave up and shut the window. Anybody unfamiliar with pc's would have given up after a try or two and gone back to IE.

Please, please, get your stuff together, I love Mozilla and I love Firefox, it's named after my favourite baddies in the original Donkey Kong, ffs, I love you guys, get back to basics and make a functional browser that people prefer to IE, you are killing it, get back to basics and make it FUNCTIONAL

I've been using a custom font (DejaVu) with unchecked "allow sites to use their own fonts" since a long time. But now some sites came with this new idea of icon fonts that look completely broken (a weird box with crazy stuff inside) until I globally check "allow sites to use their own fonts". Is there any way to configure different fonts per site? Specifically I would like to keep my all time configuration except for these specific sites which should be loading their beloved fonts.

Regards -- Carlos

I am using ubuntu 12.04 and now my flashplayer no longer works in either firefox or chromium. i have updated to the latest flashplayer but still browsers say i need a plugin update. but when i click on get plugin it just sits in searching for plugin and does nothing else. i can play downloaded flash .flv movies but nothing on youtube or similar.

If you right click an image on a website and choose "save image", it will be downloaded again. It is already in the browser cache though. There are addons which let you pick it from the cache.

Why doesn't Firefox just save the cached image and instead downloads it again? There seems to be no obvious rationale to do it like that (and lots to use the cached version).