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I have sound in Windows, but YouTube is dead quit. I have tried all that is suggested in Firefox help and some YouTube sites. Nothing worked. I have tried off the computer and restarted, but no change. My system is Windows 11, sound works, and the latest Firefox update installed. Question is this a YouTube tacit to stop NoScript and uBlock?

NOTE - I HAVE ALREADY TOGGLED OFF ALWAYS REQUEST DESKTOP SITE. Since the latest update (6/2025), Firefox is always showing the desktop site EVEN THOUGH I HAVE TOGGLED OFF THE ALWAYS REQUEST DESKTOP SITE (SEE PHOTO). I have checked my settings, cleared cache, restarted my tablet (I'm on a Samsung Tab A8). See photos attached. Photo 1 - desktop site 2 - showing desktop toggled off 3 - "mobile" site 4 - mobile view from a different browser, what mobile should look like.

Hello, using Windows Version 22H2 (Build 19045.5965), Firefox 139.0.4, Thunderbird 139.0.2, I can drag multiple emails from Thunderbird but not drop them into Firefox (the stop symbol appears and does not let me finish the action). However, dragging and dropping single emails does work. Firefox does not understand the imap address but the drop is registered which is all that is relevant to me. Is this a bug/missing feature in Firefox or a problem with Thunderbird and Firefox on Windows? Or is there a way to do it by simply adjusting (preferrably very few) settings? Dragging and dropping multiple emails using Thunderbird and Firefox on Linux Mint works fine. Dragging and dropping multiple emails from the Windows Explorer to Firefox also works fine. In testing, the issue only arose using Thunderbird + Firefox, Chromium-based browsers also worked fine with Thunderbird. If this is the wrong forum to ask such a question because this should rather be in a bug tracker or something similar, please let me know. If this should be on the Thunderbird thread instead of Firefox, also let me know. Thank you for your help.

Hello,

Scrolling vertically with mouse-wheel in Thunderbird is uneven and unstable, while scrolling in Firefox* is perfect. (*or any other program) What could be wrong?

Thanks, Mark

Thunderbird 138/139, Windows 11 Pro 23H2. While composing a message, after a few lines the app freezes. Both the compose window and the main TB window freeze. Only opening the Windows Task manager allows me to close them. This did not happen with earlier versions.

If I save the message every few seconds while composing I can get most of the message back and continue after restarting TB. This behavior is the same in both the normal and troubleshooting TB modes. I can't even find a crash log to send to Mozilla.

Where shall I look next?

Thank you!

For the past 2 days, Facebook won't load when I try to change my page to another (just switching between accounts). It acts like it is changing or loading, and then I just get nothing. I have done all of the things that are requested from clearing my cache, browsing data, restarting, etc. Nothing is working. I've attached a picture of my screen of I receive when I try to change pages - the big F. LOL Facebook on my phone works fine. I've tried also turning off my VPN and it doesn't load.

I've also had issues with my Xfinity email loading unless I turn off my VPN.

So what is going on?

Version 128.11.0esr (64-bit) Tbird won't download emails from server. I get a bunch of status messages at the bottom left of the screen: looking up server, connecting, checking server capabilities, etc, then everything just stops. No downloads. If I access this account via webmail, there *are* emails there that Tbird just won't download. No error messages of any kind, just those status messages in that bar along the bottom of the window. All appears well... but no messages.

On the sending sider, I can't send anything from the account either (image attached.) So there appears to be both a connection error (sending) and NO connection error (receiving.) Got me chasing my own tail in circles - - tried a couple of different email apps and they're all working as they should, same settings, both send and receive. I've never used anything other than Thunderbird and REALLY don't want to change, but if it isn't working, looks like I'll have to, like it or not. Any ideas gratefully received!

Got upgraded to windows 11. Very frequently when I try and open a tab with Firefox, I can't open it. It's running, but stuck minimized. I can see the little mini version of it when i mouse over the shortcut on my taskbar. I've followed instructions of people who have also had this problem. I've deleted and renamed xulstore. The only thing that ever solves the problem when it comes up (which is often) is trying to uninstall firefox and then refreshing it instead.

This is kind of untenable though because I'd really rather not reinstall my plugins every day and get logged out of everything. What should I do to make this problem go away forever without constantly having to take time and reset firefox

I am having a problem with FireFox: using DuckDuckGo as a search engine I only get a white page with a search window at the top as a result. DuckDuckGo works fine in Safari as I am typing this. Other search engines work fine in FireFox.

I have tried running FireFox in troubleshoot mode and then manually disabling extensions one by one but the issue persists. It makes no difference whether I am using the URL box, the search box or the DuckDuckGo website: the result is always the same. I am not using Metamask and I have no VPN installed.

Any idea is greatly appreciated.

Have an app with a web interface that I used for years, but not with several of the latest versions of FF. Chrome, Edge, and DuckDuckGo all show the page as expected and the page functions properly.

URL: http://127.0.0.1:8384/ Error looks like this:

Unable to connect

Firefox can’t establish a connection to the server at 127.0.0.1:[port number].

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer’s network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the web.

Have tried a large number of things including:

Ping works for ip and hostname, v4 and v6 Confirmed address is accessible through other browsers Disabled extensions Added exceptions in Settings for HTTPS-only mode Various settings in about:config, careful to return them to previous states when they didn't fix the problem Tried Safe Mode (aka Troubleshoot Mode) Refreshed Firefox (as prompted before uninstalling)

My last step is to reinstall, but thought I'd ask here first. Has anyone seen this before?

I switched from ESR to Release yesterday morning, and everything was fine for the rest of that day. But today, about 4 hours after opening Thunderbird, I've started getting login failure messages for my secondary email address. The popup says: "Login to account "maggie.jacobs@sonic.net" failed. Login to server pop.sonic.net with user name maggie.jacobs failed." I have retried multiple times but keep getting this message.

Release is set to check for messages every 10 minutes. I did not make any changes from ESR, and did not get login failure messages yesterday. I also didn't receive any emails for that address; as I said, this is a secondary address not used often. Connection security on this account is STARTTLS, unlike my primary account which is SSL/TLS. Authentication method is Normal password.

Because this started happening 24 hours after I installed Release, I suspect there has been an update to Release this morning which has caused a misconfiguration. Does anybody have any idea what is happening and how I can fix it? I will get your email responses, as they will come to my primary account which is still functioning.