Firefox Community Forum

I recently upgraded FF on this computer and can no longer sign in to my att.net email account, although I was able to sign in on another computer on FF earlier today. I just get an error message and Att can't help...is there a setting that has me locked out? I can also access email on other browsers just not the FF version on this computer.

This is pretty shady Mozilla.

When disabling only one setting: "Allow Firefox to install and run studies" it wrecks this site whether logging is or continuing as guest:

https://appointment.questdiagnostics.com/schedule-appointment/as-personal-information

Even after logging in and everything running normal, disabling the studies run by Mozilla and a quick refresh breaks the functionality of the page. All cookies were accepted and the sharing of location was allowed. On a fresh, first run, wide open Firefox people. Literally, the only change that was made was unchecking that one box. In disbelief, i tested it over and over.

Why would disabling a telemetry setting, something that should be optional, cause this to happen? Seriously, what could possibly be the reason. I'd love to hear it.

This was the final nail in the coffin to me and this is since the 0.9x days.

(posted from Supermium)

As of February 13, 2025 the front page of the Washington Post website does not load correctly in Firefox 115.20.0esr in Mac OS 10.13.6. The problem persists even in safe mode. Thank you.

After the recent bunch of windows updates i started noticing youtube loading much slower and other websites acting strange. Just now i tried to look at a link https://steamusercontent-a.akamaihd.net/ugc/47948470127416586/912CDEE3AD8B94CF3122B7338E89E24C9B6EC29D/

I get "No video support and MIME type found". I have uninstall/reinstalled, checked codex, disabled addons and downloaded Microsoft windows media pack, then restarted the computer.

Nothing seems to work. But i had to reinstall Firefox again because all my tabs would crash after the last reinstall.

Hello, vinted.com/ vinted.co.uk has been throwing me all sorts of strange errors and security concerns over the past 4-5days. Any ideas? Thanks for your help!

Good day After the last update, the browser changed the appearance of the YouTube player. In all other browsers it is standard, please help return it to how it should be

Trying to connect to yahoo mail (currently.com) and keep getting error messages. All other websites on firefox work.

Youtube is nonfunctional on firefox as of April 29 2025. It was all working fine last night, then I woke up to no youtube. It loads the website as a blank screen. Videos can be accessed by going directly to their URL, but no recommendeds load in, no comments section, even the title and channel information is unavailable. I would say none of the buttons work, but there are no buttons to test. It works fine in Chrome still. I know it's not my extensions because I tried removing them all, and it didn't fix it. I know it's not my cache/cookies, because I cleared that too and it didn't fix it. I know it's not on Youtube's end, because it works fine in Chrome. I know it's not an update issue, because I updated my browser and it didn't fix it. Please. I want to be able to use youtube in firefox. Please help me fix this thing. I have attached photos, but I suspect they'll be more demonstrative of the problem than useful for troubleshooting.

When I try to compose a new email, or reply to one, the pane opens to compose the email, but immediately closes before I can enter anything, reverting back to the Inbox. A new, empty draft gets created. But there is no way I can create a new email. Problem does not occur on other browsers. If I open a "New Private Window" and sign in to Outlook, I can then create the email there, but after a while the same problem occurs in that window too. Tried clearing Firefox cache temp files and cookies, but that did not resolve the problem. Using web based Outlook, Windows 10. Firefox is up to date.

Any suggestions?

Some web sites have begun to not work with Firefox browser on Windows 7 64 bit. Is there anyway to get a version of Firefox that that will get me back to working as well as before 4/9/2025. My Firefox web browser says it is fully updated. If Firefox browser is to no longer work with Windows 7, can you suggest a simple browser that can be downloaded for Windows 7 and tell me where and how to download it?

while ysing the New York Times i tried to open the Athletic Section of the App and this was the result....Application error: a client-side exception has occurred (see the browser console for more information)....I cannot find information, can you help

Craig

I cannot access www.amazon.com via the desktop version of Firefox 136.06! I can access amazon.com using my Android phone version 136.02.

Nothing in the Windows 10(64bit) OS or the Firewall is set to Block Amazon and my VPN is not set to Block Amazon. I do not know when this issue began or which Firefox Update may have caused it. See the screen capture attached!

Edition Windows 10 Pro Version 22H2 Installed on ‎12/‎21/‎2020 OS build 19045.5679 Experience Windows Feature Experience Pack 1000.19061.1000.0

SOO! Mozilla is the browser BUT Outlook Hotmail is the messaging app. Did not know that. Assumed they were one in the same company. Over the years I somehow transitioned from Hotmail to Outlook which I assumed are one in the same. It appears my problem of inserting a picture into an email text lays with MS not Mozilla! How do I fix that? Can/should I switch to Mozilla Hotmail or is that automatically Outlook???

Inserting picture in email text does not work. When attempting to drag/Insert picture into email text, the message "The following files couldn't be attached: filename.jpg. Please try again later." appears. I have not been able to find a solution. The dragged/Inserted picture always ends up outside the email text box and cannot be moved into it. Firefox 133.03 64-bit is up to date on Windows 10.

Is there a MS forum like Mozilla??? I am not the only person having this problem.

A number of important (to me), websites (pension and wages) ask for login details, including password, pin and in some cases using 2FA, will not still allow me access. I have tried changing the passwords etc. However, this seems only to allow access one time only. I am entering the passwords correctly and other info but I can not consitantly access the web pages. I do not use google or Bing search, only Firefox and Duck Duck Go. The last time I was able to use the passwords etc freely was around mid December 2024. I have searched for probable cause and remedy but all to no avail. If I try to access on my iPhone or tablet I can access some but not all. I did have Dashlane on my PC and laptop but have since deleted it. It was not on phone or tablet.

Any advice or help please?