I-Firefox Community Forum

hi i just install firefox and when I use messenger and put my cursor on camerra or phone I have the message voice- video call not available on this browser can you help?

Practice page in freecodecamp.com is not appearing. I have tried all the help articles but it is not resolving. I have attached screen shot also. There is data above the marker I have put. It is not going up. Please help

a web site continues to say mozilla browser need update to correctly access web page. I have downloaded latest update ESR for Firebox (using windows 7 OS) But web site still says I need update! Is it me or the web site that has the problem?

Dans free.tv pourquoi la suppression des sous-titres ne fonctionne pas problème Mozilla ou Free.tv ?

firefox is keeping me from accessing certain sites. why. do i need to switch to safari to access the sites. they do load on safari. can it be fixed or do i need to change?

Hello, I do not know if others have this problem, but when I try to access an Microsoft email account, using Firefox, it loads and then immediately logs me out. When I use a Firefox Private Window, this not occur. What might be causing this?

While playing chess at lichess.org, browser power management inhibit messaging to the system gets stuck on its current status. That is, if power management is inhibited by media playing on another tab while I play a game, it will get stuck in the inhibited state. If power management is uninhibited while I play (no media playing), it will get stuck in the uninhibited state. This persists until the browser is restarted even if all tabs are closed.

I don't believe it to be a system issue, as the problem clears as soon as the browser is closed. Chrome based browsers do not exhibit the behavior for me, but I tried a Firefox fork (LibreWolf) and it has the same issue. I don't experience this issue at any other website I visit.

Only certain areas of lichess.org cause this behavior, primarily playing a game against a human opponent. I tried progressively blocking media and script requests to narrow down offenders, but I always break site functionality before I can pinpoint anything.

I'm not so much looking for a solution (although that would be great) as I am troubleshooting advice. Is there any way to narrow down exactly what it is about this specific website that is causing the issue?

I’m seeing a layout and font spacing issue in Firefox that doesn’t appear in Chrome or Edge. The page loads, but some elements shift after render and text spacing looks off.

I’ve tested in a private window, disabled extensions, and cleared cache, so it doesn’t seem profile-related. Any suggestions on what Firefox settings or DevTools checks might help?

Page where the issue is reproducible: dbrosmenu.com Thanks.

I am unable to log into my Microsoft account normally. After entering my username and password, when I should be prompted to enter the two-step verification code, the webpage only displays the message: "Please retry with a different device or other authentication method to sign in. For more details, please see this link."

To resolve this issue, I launched Firefox using the -P command to access the Profile Manager, deleted my existing profile, and created a new blank profile. After logging into the new profile, I first signed into my Mozilla Firefox account to reload all my bookmarks. Without waiting for the synchronization of bookmarks and extensions to complete, I immediately visited account.microsoft.com and attempted to log into my Microsoft account, but the issue persisted.

Strangely, I opened a new private window and was able to successfully log into my Microsoft account through it.

I have been unable to log into my email provider from their home page https://mailbox.org/en/ using Firefox. There is a progressive web app that "goes with" Firefox (if that is the right term) and that does not seem to work either. I get blank screens. I have succeeded in logging into mailbox.org in Microsoft Edge and in Brave. Can you please give me any clues as to what settings or whatever I need to configure in Firefox to be able to log into mailbox.org ?

How do you avoid/deal with Firefox website incompatibilities? This happened on consecutive visits to two different websites today before I posted here.

In the first one, I disabled Ublock, cleared cache and cookies, and the site loaded, I then enabled Ublock with no error prompted.

Then I got a tab crash on Youtube. I wouldn't call tab crashes a daily occurrence for me, but I'm accustomed to them

Gmail tab crash just now. It just happened now with another website tab crash. i'm reverting back to 147.01

Is there any way to get the root of this. The only recent changes I can think of are browser (147.0.2 yesterday) and addon updates. Should I post my list of addons?

I am running the latest firefox version 147.0.3 64-bit. Gmail opens and runs fine on duck duck go and brave. Cannot find any info on how to solve/fix/override/whatever on "numeric code 4" but seems like other folks experience, too. I appreciate your help.

Summary: Uploading a file to a custom webapp with Chromium (Edge) works but consistently fails in Firefox. In Firefox the request is created, and times out. The server receives no file and logs “missing file.” The same webapp code is running on both Chromium and Firefox.

Environment:

• Next.js app (pages/api route)
• Endpoint: POST /api/file-upload
• Client: fetch(url, { method: "POST", body: FormData, credentials: "include" })
• Server: export const config = { api: { bodyParser: false } } + multipart parsing (formidable)
• Edge/Chromium: Version 141.0.3537.85
• Firefox Version 147.0.3 (64-bit)
• OS: Ubuntu 22 / Linux

Steps to reproduce:

1. Create a FormData object and append a local file:

  const fd = new FormData();
  fd.append("template", file, file.name);
  fetch(`/api/file-upload`, {
    method: "POST",
    body: fd,

1. In Edge/Chrome, upload succeeds. Server receives multipart body and parses the file. Actual behavior in Firefox:

• Transferred: 0 B
• No response status/body
• Client times out (Upload times out)
• File upload request received
• No bytes read server‑side.

Evidence:

• Edge request logs:
  • content-type: multipart/form-data; boundary=----WebKitFormBoundary...
  • bytesRead ~1.69MB
• Firefox request logs:
  • Transferred 0 B
  • File upload missing file field

Notes:

• Client FormData is valid; we log file.name and file.size right before fetch.
• There is a CSP report‑only warning (frame‑ancestors) when using a fallback iframe approach, but we are not using iframe in the failing case.

Question: Is there a known issue where Firefox blocks or fails to send and multipart/body can be stripped before it leaves the browser? Is there a recommended workaround that does not rely on browser sniffing?

Moderator note: This question has been edited to correct the formatting.

I need to have a telecon from the provider meet.goto.com using Firefox on my PC running Linux Mint mint-001-1.0 147.0.1 (64 bit) but I get an error message browser not supported. What can I do? Thanks

I need my gmail account but I cannot sign into it, it wants me to start a new one, but that will not do at all. I will wait for a week to see if you can rectify this problem.

i Creat my new website Fashionlox but on chrome or edge show with www and on firefox open without www like just fashionlox.com any one explain why i face this issue.