Diễn đàn hỗ trợ Firefox

After upgrading my 128 esr to 140 esr, some sites stopped opening. In regular versions, it has not opened for a long time. There are many such sites, for example, qwen3.app or temp-mail.io. It thinks for a long time and finally a message that the time has expired. Chromium is ok.

As of 7/10/2025, Xfinity Streaming does not open through Firefox. I much prefer Firefox to any other browser so I am a little mystified as to why all of a sudden Xfinity Streaming does not open. I receive my Comcast email through FireFox but when it comes to streaming content, the Xfinity logo just sits there and does not open.

Hi!

Please see attached image:

Left: Edge (making sure it isn't a network issue)

Right: Firefox using a new profile from about:profiles.

On my main profile, I've tried clearing the data and cookies (though not the history) a couple of weeks back.

Any suggestions welcomed! Many thanks in advance.

Hi! I'm experiencing an issue where videos on YouTube stutter or play choppily when using Firefox. This happens even when the internet connection is strong and works fine in other browsers like Chrome.

Here’s what I’ve noticed:

The issue occurs on both 720p and 1080p videos.

It’s more noticeable when switching to full-screen mode.

I’ve tried disabling hardware acceleration, but it didn’t help.

Firefox is up to date (v126.0).

I’m using Windows 11 and have an NVIDIA GPU with the latest drivers.

I’d appreciate any suggestions or fixes. Thanks in advance for your help!

Hello, since I installed the Firefox 141.0 update today, I can't login to Reddit. I tried logging into Reddit right after updating Firefox, so did a System Restore to see if that corrected the problem, and it did.

To double check, I installed the Firefox 141.0 update again, and encountered the same problem logging into Reddit again, so it's definitely this new update causing the problem.

I've attached the Reddit messages I get. The 1st is the initial message, and the 2nd after I retry logging in.

I would greatly appreciate help with this.

Thank you,

Michael T.

I am using the latest Fiefox and i have disabled all adons i have tried everything I have changed my Facebook password every time i g try to share something on Firefox get a black box on the bottom right that says something wrong . I have tried to copy the entire hing but can not i got some of it I have even reinstalled firebox ans still can not share anything I have tried contacting Facebook but that does not happen no response i appears to work in Chrome on a noter Facebook account so it is Firefox. i will send you what i could get on the screen shot the part that is missing s the part that says something s wrong

I updated to Firefox 141.0 and now Google Maps is not working correctly. When I look for directions the map does not show the route. If I go to street view I get a black screen. Google maps is working fine on Edge or Google on the same pc.

Hello,

I’m experiencing an issue where I cannot use ChatGPT-5 in Firefox. When I log in and try to select or use GPT-5, nothing loads or functions properly. Other models like GPT-3.5 work normally, but GPT-5 does not respond.

I’ve already tried refreshing the page, clearing cache and cookies, and even disabling extensions — but the problem persists. Could this be a compatibility issue with Firefox? Any advice or support would be appreciated.

Thank you in advance for your help!

При попытке авторизоваться на сайте reddit.com сайт выдает ошибку "неверный логин или пароль", но при попытке входа на reddit.com в приватном окне ошибки не возникает и авторизация проходит без проблем, то есть логин и пароль 100% верны.

Было проверено на версии 143 и 142. Так же пробовал заходить из только что установленной версии Firefox без изменения настроек и установки дополнений - никакого положительного результата и все та же ошибка авторизации.

Один раз удалось авторизоваться на сайте в обычном окне браузера, но я предварительно что-то изменил в настройках и к сожалению не запомнил что изменил. И я не помню что сделал после (менял ли настройки, переустанавливал ли браузер), но авторизоваться после того случая больше не удавалось, может настройки ни на что не повлияли. Не понятно с чьей стороны эта проблема: браузера или сайта. В других браузерах (Chrome и Edge) такой проблемы не возникает.

Hello,

I'm facing an issue where my microphone does not work in Google Meet when using Firefox, even though I’ve granted all necessary permissions. This problem is specific to Firefox, as the microphone works perfectly fine in Google Chrome.

I prefer using Firefox because of its convenient screenshot features, but this microphone issue has caused major inconvenience during important meetings.

Kindly help me resolve this issue.

Thank you.

Cannot open AOL Mail or Facebook at times after sleeping my PC. If I revert to my Laptop or using MS Edge on my PC all is fine. I have reinstalled Firefox, but problem persists from time to time.

Hi. News videos from www.bbc.com won't play. When I ask the BBC website to play a video, I get a blank area of my screen, with a play button. Clicking the button makes it go away, leaving me with just the blank area of the screen. Videos from youtube, movie trailers, etc play fine - it's just videos from a few sites (such as BBC) that yield nothing. I have autoplay videos disabled by default, but: I'm not trying to have the website autoplay; The setting doesn't affect other websites; and there's no way to disable autoplay for the website I'm on (no way I can find, at least).

All of a sudden, I can't access several websites through Firefox that I have used for years -- but I CAN access them in other browsers, like Chrome and Safari. Also, Firefox no longer works with my password manager. Until about two weeks ago, I could always autofill login information, but no more.

What gives? I am up to date on my IOS (Sequoia 15.5) and on my version of firefox -- and my password manager app. Superfrustrating. I hate to have to turn to Chrome as my primary browser since I hate Google, but I might end up doing that and just not using Firefox anymore, after like 20 years of having it as my primary browser.

For years I have used Firefox to access my Bank of America online account. I am also using Quicken kinked to Bank of America. Today, when logged into bank of America, every action I take results in being sent back to the sign on screen. After clearing with Quicken Support as requested by BOA, I was directed to use a different browser which worked normally. I was told by BOA that the issue was with Firefox.

I have asked this question before and followed ALL recommendations to no avail. I received no other suggestions to now, nearly a year later I am asking this question again. I had to stop using my favorite browser because of this. You all used to help your users but alas, no more. Here is a link to my previous question and then below is my present question;

https://support.mozilla.org/en-US/questions/1473866

I am running a fully updated Windows 11 computer. I have 4 fully up to date browsers; Vivaldi 7.5.3735.66 (Stable channel) (64-bit); EDGE Version 139.0.3405.125 (Official build) (64-bit); DuckDuckGo version 0.126.3; and Firefox 142.01. I play Bejeweled Blitz on FaceBook. The game works perfectly on all browsers EXCEPT Firefox. When I try to play on Firefox I get a message that says I must "upgrade to the latest version of Flash:. There is NO flash anymore. Why am I getting this message on Firefox but the game works just fine on all other browsers?

I tried making a PWA ("Add tab to taskbar") for "https://discord.com/channels/@me," but when I launch it, it only navigates to "https://discord.com," which is a splash page that prompts you to either download the Discord desktop app or continue on the web (clicking to continue on web then takes you to ./channels/@me). Examining the desktop shortcut for the PWA confirms that the URL it targets is "https://discord.com"; however, changing this url manually in the shortcut then relaunching it STILL only navigates to the discord.com domain, not the full discord.com/channels/@me url path that I specified.

Can anyone else confirm whether PWAs can only currently target a domain, not a specific url path?

当我用旧版和新版火狐浏览器64位最新版，浏览http://www.urllib.cn时就会跳转到一个色情网站， 当我以https浏览https://www.urllib.cn确是正常的， 而我网站开启了强制https访问，为什么用火狐浏览器没有用https访问我的网站， 而我用，edge,谷歌浏览器，却不存在这样的问题， 官网能给一个合理的解释吗，

For some reason, I was unable to verify my account. I even thought I was wrong with my password, but that was not the case. When I use a different browser, Apple does not just ask me for a password but also a key; however, this option was not available on Firefox. With this, I can't log in to my iCloud on my Firefox Linux app.

Firefox now takes forever to load Facebook. I tried resetting it but no joy. Duck Duck Go and the Microsoft browser are all much faster loading Facebook. Why is this? Can anyone help?