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May need to install the required video codecs

# My problem When i go to some site with video (for example https://www.openproject.org/ ) i have the following message : "To play video, you may need to install the requ… (閱讀更多)

# My problem

When i go to some site with video (for example https://www.openproject.org/ ) i have the following message : "To play video, you may need to install the required video codecs".

# Spec

I run Firefox Beta in Fedora, it's installed in /opt/ folder. I have the "normal" version of firefox too and the video works well.

# Some other infos

The video seem to be a mp4 video and i have the following package installed in my fedora GStreamer Multimedia Codecs (Multimedia plauback for APE, AVI, DV, FLAC, FLX, Flash, MKV, MP4, Speex, VP8, VP9 and WAV).

bouteiller.alan 於 1 週前 詢問

jonzn4SUSE 最近回覆 於 1 週前

Password I forgot :(

Hello! I have huge problem, because I forgot my password to other account on Firefox and I have no idea how to get it back and I don't want to loose all my passwords and… (閱讀更多)

Hello! I have huge problem, because I forgot my password to other account on Firefox and I have no idea how to get it back and I don't want to loose all my passwords and things on it, so I can't reset it. It would mean the world to me if You could help me.

I'm waiting for your answer, Thank you and have a nice day :)

monikagrochola9 於 1 個月前 詢問

gspodo 最近回覆 於 1 週前

refresh thinks I am mobile not desktop

I refreshed firefox. When I tried to get into my other platforms some how I am now a mobile user. So I tried to refresh firefox again. Only to discover refresh will not w… (閱讀更多)

I refreshed firefox. When I tried to get into my other platforms some how I am now a mobile user. So I tried to refresh firefox again. Only to discover refresh will not work because firefox thinks I am mobile. I went to config reset the two items back to original settings- help and still I am stuck as a mobile user. I am not sure what else to do

clinton_siegle 於 1 週前 詢問

cor-el 最近回覆 於 1 週前

Stop automatically installing updates on Linux

Is there any way to stop Firefox automatically installing updates on Linux? It's incredibly disruptive when I'm in the middle of work, open a new tab and Firefox says it … (閱讀更多)

Is there any way to stop Firefox automatically installing updates on Linux? It's incredibly disruptive when I'm in the middle of work, open a new tab and Firefox says it needs to be restarted to install updates. When in this state, opening new tabs yields the same result. I'm using 87.0 built for Ubuntu, installed out of the package repo.

Anthony 於 2 週前 詢問

TyDraniu 最近回覆 於 2 週前

Adblock Plus - is it safe? Why Mozilla doesn't recommended it? I used it in the past some years ago but now I am scary about safety

Dear Community, I would like to download this extension: https://addons.mozilla.org/pl/firefox/addon/adblock-plus/ I would like to know how it works. If I will install th… (閱讀更多)

Dear Community,

I would like to download this extension: https://addons.mozilla.org/pl/firefox/addon/adblock-plus/ I would like to know how it works. If I will install this extension my firefox will be check hashsum for the files of this extension automatically? Or maybe public key of the organization/company who created Adblock Plus extension? How it is work? Can you tell me? I hope that people from Mozilla now read this and can answer for my question. This is very important for me.

Next question is to Adblock Plus extension. I can read this information: "This add-on is not actively monitored for security by Mozilla. Make sure you trust it before installing" so my question is why Mozilla don't recommended this extension? This extension now use 6,678,297 people so this is huge count. It is possible that this extension is not safe and these people now use malicious software? Why on dedicated website for this extension I can't see company name? Why this company is not verified by Mozilla? So my sugestion for people from Mozilla is to change this and check this extension or maybe add some information on website for this extension.

So I should install this extension? My friend use this on Google Chrome and he recommended me this software but I don't know if this is exatcly the same version. Maybe Chrome has verified Adblock Plus software and this is safe but Mozilla didn't verified this and this can be dangerous software because this can be not exactly the same version?

Next question is to adblocker. Why Mozilla can't make their own software to block all annoying ads and due to fight with malware? Example Opera browser have own buil-in adblocker. Why firefox can't do this? Maybe people from Mozilla should do this? This can be helpful because if this can be happen I will be not install any 3rd party software for firefox anymore and I will be safe. Maybe I can send somehow this suggestion to people from Firefox?

I hope that you can help me.

Yours faithfully, Peter

Peter 於 2 個月前 詢問

·´¯`·...¸>-)))º> ~dbben 最近回覆 於 2 週前

Firefox suggestion to make built in Adblocker like in Opera browser

Dear Mozilla Community, I would like to suggest you to make built in adblocker in Firefox. For example Opera have this feature so we don't need install any extension. Peo… (閱讀更多)

Dear Mozilla Community,

I would like to suggest you to make built in adblocker in Firefox. For example Opera have this feature so we don't need install any extension. People from Mozilla read subjects in support.mozilla.org? If not where I can send my suggestion?

P.S. I wanted to install Adblock Plus extension but I am afraid about safety so better option is to make built in adblocker to protect from malware. I think that this can be direction in good way.

Yours faithfully, Piotr

Peter 於 1 個月前 詢問

TyDraniu 最近回覆 於 2 週前

Chronik alles löschen funktioniert nicht

Habe Firefox 87 für Linux in Gebrauch. Seit kurzem reagiert das Programm nicht auf den Befehl "Löschen" "Alles" und sogar einzelne Einträge nicht. Hat jemand eine Idee? … (閱讀更多)

Habe Firefox 87 für Linux in Gebrauch. Seit kurzem reagiert das Programm nicht auf den Befehl "Löschen" "Alles" und sogar einzelne Einträge nicht. Hat jemand eine Idee?

w-richter-mnster 於 2 週前 詢問

thomas.kelso 最近回覆 於 2 週前

"Add Bookmark" has disappeared from Bookmarks menu - we all want to know how to get it back!

I thought perhaps the cat had hit some keyboard shortcut (goodness it would be nice to be able to disable those!) and removed "Bookmark This Page" from the Bookmarks pull… (閱讀更多)

I thought perhaps the cat had hit some keyboard shortcut (goodness it would be nice to be able to disable those!) and removed "Bookmark This Page" from the Bookmarks pull-down menu, but based on the number of people asking the same question, I now suspect that the latest Firefox update somehow removed it. I have seen MANY people asking about this, invariably answered with how to work around it being missing by using a tiny blob of an icon (which tiny meaningless blob among many, my not-so-young eyes are not certain - apparently it looks like a star). WE WANT IT BACK. Please put "Bookmark This Page" back where it belongs - in the pulldown menu called "Bookmarks". Or tell us how to put it there ourselves. Leave it in the teeny blob menu also if you like - maybe there's someone out there who actually likes it there. But please, for the love of usability, put that entry back on the list of things you can do from the Bookmarks pull-down menu! Not all of your users are 20-somethings with perfect eyesight!

hybridvigor 於 2 週前 詢問

cor-el 最近回覆 於 2 週前

Firefox won't open links in duckduckgo

Hello everyone, I'm an avid user of Firefox latest on Manjaro, up to date. Since yesterday, when I updated from Firefox 87.0-1 to 87.0-2, I have a strange bug using Duckd… (閱讀更多)

Hello everyone,

I'm an avid user of Firefox latest on Manjaro, up to date.

Since yesterday, when I updated from Firefox 87.0-1 to 87.0-2, I have a strange bug using DuckduckGo.

What happens ?

  • When on DuckduckGo result page, clicking a link won't open when using the "Open in another tab" setting
  • I will open the link if that setting is not used
  • I can open it in a new tab with the right-click menu, or by ctrl-clicking it.
  • When hovering above a link, the bottom-left tooltip does show up and the cursor does become a hand, suggesting the link should work. Alas, it doesn't.

What did I try ?

  • I did restart in "safe mode", with all addons disabled.
  • I did reset the cache.
  • I tried testing the same behavior on Google, and it did work as expected.
  • I tried DDG in another browser (Gnome Web/Epiphany), and it worked as expected.

I have yet to notice the same issue with any other website. Any Idea where I should report this minor, but annoying but ?

Thanks & Cheers, -- JAB

Jacques-Alexandre Bossu 於 3 週前 詢問

cor-el 最近回覆 於 2 週前

Certain parts of my screen get blacked out or mangled suddenly

I had a system update couple of days ago and since then, the firefox browser suddenly hangs or partially blacks out in certain areas suddenly. It sometimes corrupts the … (閱讀更多)

I had a system update couple of days ago and since then, the firefox browser suddenly hangs or partially blacks out in certain areas suddenly. It sometimes corrupts the text/data on the toolbars, add-ons, etc.

It happens randomly. When I restart the system it works fine and then it happens again at random instance.

Not sure what is causing this. But this only began since Thursday.

Not sure what to do.

Bipin Kumar 於 2 週前 詢問

cor-el 最近回覆 於 2 週前

firefox broken

This all started after last firefox upgrade/update a few weeks ago so installed gmail chrome which works fine. Even reistalled OS & then worked ok till firefox did it… (閱讀更多)

This all started after last firefox upgrade/update a few weeks ago so installed gmail chrome which works fine.

Even reistalled OS & then worked ok till firefox did it’s own updae.

I have deleted & reinstalled a couple of times but same problem.

I use Linux Ubuntu 20.04.2LTS on an older (+/- 5 year) HP Pro 3130 MT a 64 bit machine. Chuck

chuck598 於 3 週前 詢問

JustSecurity 最近回覆 於 3 週前

google is not opening

An error occurred during a connection to www.google.com. PR_CONNECT_RESET_ERROR The page you are trying to view cannot be shown because the authenticity of the receive… (閱讀更多)

An error occurred during a connection to www.google.com. PR_CONNECT_RESET_ERROR

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.


when trying to open google

abdullahmaziakz 於 2 週前 詢問

FredMcD 最近回覆 於 2 週前

Change Amazon Search Engine Marketplace within Firefox

The default Amazon search that comes built-in with Firefox points to Amazon.com. Is there a way to search for other marketplaces, like amazon.com.au or amazon.sg ? … (閱讀更多)

The default Amazon search that comes built-in with Firefox points to Amazon.com. Is there a way to search for other marketplaces, like amazon.com.au or amazon.sg ?

spaceboy 於 2 週前 詢問

TerryN21 最近回覆 於 2 週前

"Security Error: Your session has been invalidated" https website doesn't load

Following website "https://www.hellobank.fr" is unreachable either in normal or private windows. There is another report but it is pretty old for now. https://support.mo… (閱讀更多)

Following website "https://www.hellobank.fr" is unreachable either in normal or private windows.

There is another report but it is pretty old for now. https://support.mozilla.org/en-US/questions/1025002

So I just want to understand is there is anything new since this post or do I have to apply a more efficient solution that removing user.js I don't want to take the risk of spoiling up my setup.

Clément 於 3 週前 詢問

jscher2000 最近回覆 於 3 週前

inability to sign into my hotmail/outlook through Firefox

Hi! Glad someone is here to help! Last week I was signed out of my Hotmail account. Which is now technically Outlook, but I still have a Hotmail email address. I did not … (閱讀更多)

Hi! Glad someone is here to help!

Last week I was signed out of my Hotmail account. Which is now technically Outlook, but I still have a Hotmail email address. I did not sign out. Just came home to discover that I was signed out. I found the main Outlook sign up page, which also had "sign in" on it, which I clicked.

The next thing that showed up was a mostly blank page with the Microsoft squares, my email address, and password filled in in the upper left corner of the page. Underneath it said "next" which I clicked, and nothing happened. I tried to chat with Microsoft about it, and in the end I downloaded Chrome, which instantly let me into my account. I truly don't want to use Chrome. But so far my ability to access my account via Firefox has not been successful. I would be so happy if anyone could help me understand what is gong on, and how to fix it. Thank for reading this!!!!!! ps I have Linux as my operating system. I had someone who knows Linux well come to help me, but he couldn't figure it out either.

vkrull 於 3 週前 詢問

jscher2000 最近回覆 於 3 週前

why is the "find-in-page" function broken? (random occurence. reload may solve it. restart will solve it)

See the attached screenshot. the function is mostly useless as-is now. This is on Firefox 87 Manjaro 21 (Linux) Default theme is used. According to https://www.reddit.co… (閱讀更多)

See the attached screenshot. the function is mostly useless as-is now.

This is on Firefox 87 Manjaro 21 (Linux)

Default theme is used.


According to https://www.reddit.com/r/firefox/comments/8k3sq4/firefox_updated_to_6001_and_the_search_box_is_no/ there's something wrong with userchrome.css in the profile but that file should be patched if that's the case.

Why this hasn't been patched since it's introduction in version 60 is beyond me.

ExileFox 於 3 週前 詢問

jonzn4SUSE 最近回覆 於 3 週前

Short key on context menu [Q] how is this supposed to work?

See attached picture. Am I right to assume the (Q) next "Inspect Element" is a shortcut key? If yes, how does this work? pressing the Q-key on my keyboard does nothing. … (閱讀更多)

See attached picture. Am I right to assume the (Q) next "Inspect Element" is a shortcut key? If yes, how does this work? pressing the Q-key on my keyboard does nothing. Please clarify.

(Mozilla FireFox 87.0 on Fedora 33)

theking2 於 3 週前 詢問

cor-el 最近回覆 於 3 週前

Why is any sites not propery loaded

Whenever I want to visit some websites the sites get opened but not properly the content of sites are loaded with some random digits. I am using Firefox On Kali Machine, … (閱讀更多)

Whenever I want to visit some websites the sites get opened but not properly the content of sites are loaded with some random digits. I am using Firefox On Kali Machine, Other Browser like Google Chrome works properly I have attached image for better understanding so please look up.

bajgainmanoj3 於 3 週前 詢問

cor-el 最近回覆 於 3 週前

firefox.ocm => firefox.com . Without asking me. Without notifying me.

When I type in ANY URL, I want exactly that to be loaded. And not anything else. When I type in mozilla.rog into the address bar, I want firefox to fetch the page mozilla… (閱讀更多)

When I type in ANY URL, I want exactly that to be loaded. And not anything else.

When I type in mozilla.rog into the address bar, I want firefox to fetch the page mozilla.rog. I want firefox to try, and if it does not exist, I demand to be notified that it does not exist. With an error message. URL not found. Error 404.

But instead, Firefox silently changes mozilla.rog to mozilla.org (and probably any page e.g. from .rog to .org, and from .ocm to .com , and the like) without my permission, and loads this other page I did not type in.

I do NOT and NEVER allow ANY program to alter my commands without notifying me.

so... which about:config setting disables this autocorrection-behavior?

amando.aarish 於 3 週前 詢問

jscher2000 最近回覆 於 3 週前