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I have not been able to access my on line banking for three days now. I ran a diagnostic and everything was fine, no issues so why cant I connect to the banking server. Please help.

Recently (Jun 2025) When Firefox closes, an empty taskbar icon for Firefox remains. When click on it, it does not bring up anything. Nothing in the Task Manager to suggest that a copy of Firefox is still running.

Hello.

I use Firefox on an computer with Ubuntu, (installed as snap) and have noticed that since the update to version 140, closing a tab causes a noticeable delay : that is, upon any action that would close a tab (clicking on the cross, pressing CTRL+w, or middle clicking), there is a delay of about 200 to 300 ms before the tab is actually closed.

However, during this delay, the window still responds to inputs, leading to rather annoying situations. For example, during regular usage, I usually open a great number of tabs. When I am done with browsing, I close them, by repeatedly clicking the cross button on the tabs. It used to be that the tab under the cursor would immediately close, then the next tab would slide under the cursor, and I would click again to close that one, etc.

But now, when clicking the cross button, the tab is not closed, and when I click again after a small delay (because of muscle memory), the tab is still there. This cause the two single clicks to be treated as a single double-click, which for some reason puts the window in full-screen mode (but only with the snap version; I'm not sure what's going on here).

When using CTRL+w when closing tabs, the delay is still there, but the inputs are correctly handled. If I press CTRL+w three times at the usual rate, I can see the three key presses, then nothing happens for a few instants, then the three tabs close at the same time (i.e. the delay is from input to tab close, not from tab close to other tab close).

This behaviour is completely absent on Firefox (also version 140) on my windows computer.

This delay does not appear when creating tabs, and it does not occur either when closing the window or when closing the last tab in the window (leading to an amusing situation where shutting down Firefox is actually faster then closing a tab). These operation keep going at their previous speed, immeasurably fast to the human eye.

Navigation does not appear to be meaningfully slower than before the update, and the CPU/memory usage is very reasonable.

Curiously, this appears to be a fixed delay. Closing an empty tab takes the same time as closing a very busy one. Closing a tab when there are five takes the same time as closing a tab when there are thirty.

This issue makes browsing feel incredibly sluggish.

Is there a solution for this problem ?

Edit 1 : I have tried to run Firefox in troubleshoot mode, but there was no difference in behaviour. Edit 2 : Fixed typo.

Today, all of a sudden, Mozilla Thunderbird required a PC restart and after the restart was complete, it cannot be started, a message appears. Please, help me ;-)

---------------------------

XULRunner

Error: Platform version '128.11.0' is not compatible with minVersion >= 128.10.0 maxVersion <= 128.10.0

OK

Witam serdecznie, czy ktoś wie w czym może być problem. Nagle program pocztowy przestał się włączać. nie wiem co robić już odinstalowałem pobrałem instalke na nowo zainstalowałem, i dalej to samo nie uruchamia się. Nic nie zmieniałem w ustawieniach, Proszę o pomoc

I have been runnign Thunderbird for a number of years. Several days ago when I started the app it said it was compacting the Gmail ALL Messages folder. It would never finish. So I downloaded the 139 version of Thunderbird, and installed it. When I try and start it I get a message at the bottom that says tomdyer72@gmail.com: looking up imap.gmail.com. It never comes off of that. After a few minutes, or if I click anywhere else in Thunderbird, I get the "Home - Mozilla Thunderbird (Not responding) at the top of the screen, and it will time out with the cnacle, or continue waiting message.

I have tried uninstalling all versions, and re-downloading the 139, and it still does the same thing. How can I recover this without losing all of my stored emails>

Within the last couple of days, while using Thunderbird, my list of unread emails disappears and I get a box that pops up that says: "The folder 'inbox on johnking2@comcast.net' could not be compacted because writing to folder failed. Verify that you have enough disc space, and that you have write privileges to the file system, then try again." If I click OK, my list of emails returns for a short while. I have no idea what to do, as nothing has changed, that I am aware of. I have a SD hard drive with about 17% space available. This is on a Dell laptop with i7 processor. Please help!

I get this error when I start up Thunderbird on my Desktop PC but not on my Laptop.

Mozilla Thunderbird ESR

Thunderbird The current operation on 'INBOX' did not succeed. The mail server for account sotackd@gmail.com responded: [NONEXISTENT] Unknown

However once this is cleared my Gmail and Thunderbird work perfectly.

Please see attached info.

For the last 2.5 months, the quick filter function has been painfully slow, taking up to a few minutes to deliver all of the results. We were on v128, but read that this was a known issue, to be fixed in release 131(?). We just upgraded to 139.0.2 and the issue is still present. We have ~12K messages and we're running Win64 on a Surface Pro 10.

Should we downgrade? If so, which version?

Thanks

Hi every one, hope someone can help me.

I have a special mail account: contact@c-serp.fr

The incoming server is managed by my Synology NAS server (MailPlus server), the identifiers are Incoming server : - protocol: imap - hostname: c-serp.fr - Port: 993 - Connection security: SSL - authentication method: normal password - username: contact@c-serp.fr - Pwd: -------------------

Outgoing server : - protocol: smtp - host name: smtp-relay.brevo.com - Port: 587 - Connection security: STARTSSL - authentication method: normal password - username: XXXXXXXXXXXXXXXX@smtp-brevo.com - Pwd: --------------------

All these settings work perfectly on outlook 2021. But on Thunderbird, nothing works.

Why is this? Any suggestions are welcome

Ucan.

Translated with DeepL.com (free version)I have an email account

Sort of continuing from https://support.mozilla.org/en-US/questions/1423702

Now trying 139.0.2 on a old laptop the subfolders are not mixed in the root anymore, but when opening TB, the subfolders are only partially listed. The listing changes every time.

TB then creates/downloads the missing ones/the subfolder structure but then leaves them all displayed as open/uncollapsed, which is a massive folder tree to navigate down. Takes ages and is a total pita.

We could even live with being able to collapse all the folders in one action, but there is no command for that.

I read elsewhere it may be a problem with OAuth so changed to app password, no difference.

Maybe it's the very large quantity of subfolders...

I note that the profile folder is the same size when TB is opened or closed....indicates that TB has the folders downloaded but needs to sync to display them?? No idea really.

But, we've been avoiding updating for a year and a half, need a solution or another client.

Thanks for any help.

Cleared history etc. and the system will not open up the link I need to see my mothers blood culture results? Her is the link to the website https://patient.labcorp.com/landing

I have sugarcrm running via firefox. I show a phone icon for click to call next to phone numbers but click does not initiate the call. I have to highlight the phone, right click and send it to the dialer.

Is this a settings issue?

I saw my same issue described in an archived thread "Several users have reported connection issues with Google sites including YouTube. This has been linked to the "zero round trip resumption" feature. That is intended to speed up website connections, but there seems to be some kind of compatibility issue. Currently, there is only a hidden way to disable this and see whether it helps".

I tried the method given (going to about:config and turning security.tls.enable_0rtt_data to false) but it did not work.

I tried uninstalling and reinstalling, but I accidentally dragged the Firefox in the installer directly onto my dock (on Mac) and that Firefox was working perfectly fine. But I noticed there was "Firefox" drive running on my system. To fix it, I realized I had to drag the Firefox in the installer into my applications folder and run that Firefox. So I did so, and ejected the Firefox drive.

Using the new Firefox that was actually installed in my Applications, I am now stuck with the same problem of Google sites not being accessible.

I am sitting in hospital with a weird problem. The connection is open and thus not secure. I have successfully connected my 2 android devices, however my Windows Asus laptop is being barred by firefox. I only run firefox. It is a dead end because firefox refuses to allow me to access the net at all. So now I have to get my wife to go and download chrome and see whether that will work. Why can I not override as u understand the risks I also use Norton 360 with its VPN.

on the game 'my little farmies' by upjer, when I go to fullscreen, a blue haze covers the entire area making it difficult to discern colours. I have cleared cookies and reloaded the game, switched the pc off and on again. nothing makes it go away. does anyone have any ideas. i have asked upjers but they say it is a firefox problem. many thanks for any forthcoming suggestions.

before and after screenshots attached