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When opening a website, the url has a padlock with a red line thru it (unsecured), the browser then waits about 5-8 seconds for the red line to disappear (secure )then begins loading the content. It behaves on win 10 and android devices. Upon refreshing Firefox on win 10, it got faster, but reverted. Unchecked wait for secure sites doesn't help.

After auto update this error message came up and will not allow Firefox to open. Earlier in the day it had also updated ( not sure to what version) and was working fine. Laptop was then shut down and turned off for aprox. 1 hr. I then turned it back on and tried to open Firefox and it again asked to allow Firefox to make changes to my computer to which I clicked Yes. It then would not open and this error came up. error message Platform version 127.0.2 is not compatible with minVersion >=127.0.1 maxVersion <= 127.0.1

We have recently moved to a new mail server. We currently have about 20 Thunderbird email clients on Windows in an office location and a macOS home machine. On all machines email is configured to use IMAP on hostname.com port 993 SSL/TLS with Normal Password and SMTP on hostname.com port 465 SSL/TLS with Normal Password.

The home machine is working 100% with no issues, it does have a much faster and lower latency internet connection than the office machines.

Many of the office machines are experiencing intermitent SMTP error messages when sending, intermitent, "unable to save mail in the Sent folder of the Inbox", messages and intermitent unable to move messages between folders.

I have checked and double checked the settings on affected machines - however, I believe a settings issue would result in nothing working, not intermitent functionality. Plus all is working fine on the home machine with the same settings (different OS, but ports and security settings all dictated by server).

With one client behaving properly, the server likwise behaving properly when addressed by the working client and the intermitent nature of the problems we are finding, I suspect we have some sort of network issue. Somthing timing out or a firewall/AV software causing a delay.

I have increased mailnews.tcptimeout on affected machines to 250 based on a forum article but this has had no effect (No idea of units here but if it is seconde then I am not supprised - the SMTP errors, when they happen are almost instantanious).

Any ideas on how to trobleshoot this problem further - The problem seems to get worse through the day, although that may just be peoples tollerance of an intermitent issue going down.

There was an update posted today. I ran the update this morning. Now Firefox will not open.

error platform version 127.0.1 not compatible with miniversion >= 127.0

                                                                                  miniversion <= 127.0

Running Windows 10 Version 10.0.19045 Build 19045 64 bit Should I remove and reload program?

Hi,

I am running thunderbird-115.12.2-1 and Arch Linux and have the following Problem:

- I am using Unified Folders - Online search is disabled - If I change the view in any Unified Folder with more than 1 source folder to grouped by Thunderbird freezes and sometimes crashes - It does not matter what the sort by value is - Any time I switch from a not grouped by unified folder back to grouped by Thunderbird freezes and crashes sometimes again - The length of the freeze depends on the numbers of source folders for the unified folder. E.g. for my Inbox with 11 source folders between 5 and 10 minutes

I already tried - disable all addons - clear the disk cache - set mail.server.default.use_condstore to true - delete global-messages-db.sqlite

https://www.reddit.com/r/Thunderbird/comments/y795od/comment/jwk1kyp/

Right now the group by feature is not usable for me but makes it so much more clearer that I don't want to miss it.

Can you help me ?

Recently I've had problems with the SMTP server refusing to send my e-mails, I am still being able to recieve them however. When choosing to enter a new window the window where you should put your passwords appear and dissapear at the same time. I've never experienced this kind of problems before. I even removed the account and the smtp account and re-added them back again to see if it would help but to no avail.

I am following the article from Mozilla called Microsoft OAuth Authentication and Thunderbird in 2024. But still it won't work.

Our small business has a handful of Zoho email addresses that we use via Thunderbird on MacOS computers in our office. The computer I am using only has some of the email addresses listed in Thunderbird, and I am trying to add the rest.

Once all requested data is entered in the "Set Up Your Existing Mail Address" screen, we receive the error message: "Unable to log in at server. Probably wrong configuration, user name, or password." All of the data is correct, and I have tried this process different weeks to see if the issue will clear on its own, but no. I've attached a screenshot of the error message.

I have tried this with several pre-existing email addresses and it's giving me the same message, although it did allow me to add one address recently. That newly added, previously existing address is now somewhat accessible via Thunderbird, but every time we open Thunderbird it says "Login to server imap.zoho.com with username shipping@jadeandpearl.com failed." I can access the inbox and other folders of this account in the Thunderbird desktop app, but it is not currently showing new email.

Thunderbird version: 115.12.1 (64bit) MacOS: Sonoma 14.5

So, this is going to be an incredibly weird question, but is anyone else having this issue? As of about two days ago, any time I try and load a video on youtube it will refuse to load for upwards of 30 seconds, however if I toggle the new stable volume option off/on it instantly loads. It will then play for about 2-3 minutes or more depending on video length (sometimes way more) before the buffer bar will stop entirely, take over two minutes to load the video again, then keep playing. More often than not doing this multiple times per singular video. Often times it won't even load anymore at all and I am forced to refresh the page and toggle the stable volume once again.

I've tried disabling every single extension I have, including ad blockers, restarting the entire browser, and using a different account, and it still happens no matter what. However it is not an issue that occurs on chrome or edge, so I'm at a complete loss of what is causing this. Looking up this issue comes up with next to no results, so is it possible this is a youtube issue or is something seriously wrong with my browser and I need to re-install it?

I am using Firefox 127 on Ubuntu.

When I press the Control key, I often lose focus in the window I am currently viewing. This is annoying as it prevents me from copy-pasting for example.

Sometimes the focus is back when I release Control, sometimes it is lost and I have to click again on the text field. It does not happen on all websites, for example support.mozilla.org works well, but it happens on duckduckgo or overleaf.

It does not seem to be the same as existing issues such as [the "show mouse when press Ctrl" of Ubuntu] (it is disabled) or an addon (the problem still happens in safe mode).

In case it is useful, when I press Control the tab bar background goes slightly darker, see attached images.

Thanks for your help :) Nicolas

In Firefox, after a reboot, how can I re-open my previous sessions?

Originally I had quite a lot of open browsers & tabs. Then I needed to do a reboot, and now I've lost those previous sessions.

Usually I just open Firefox, and this opens one browser, and then all of my previous browser, and tabs reopen, but this time Firefox crashed, and its popup said it needed to restart, but it would re-open my previous browser and tabs, but it didn't.

After following the usual Firefox help guides, it still wouldn't re-open my previous sessions. Now if I ask it to open my previous sessions, it just opens the recent help guides, and not anything before the crash.

So is there a backup file of my missing sessions that I can roll back to?

To the Mozilla Community:

I have a Posteo account and set it up successfully in Thunderbird. Emails and Calendar are both working without any issues.

However, Posteo contacts are not syncing. I used the TbSync / Provider for CalDAV and CardDAV without success. And using the Add CardDAV Address Book in Thunderbird is not working either.

Posteo Support confirmed my settings are correct. (Enter https://posteo.de:8843/addressbooks/johnexample/default in the URL field and replace johnexample with the local part of your email address. )

Any assistance that can be provided to troubleshoot and resolve this issue is appreciated.

Thank you.

--Shaun

Hi, first I've been using Thunderbird for decades and couldn't do without it -- keep up the good work! I have a keyboard shortcut bug and an icon action bug to report, as well as a text formatting suggestion. As background, I'm running TBird 115.12.1 (64-bit) on Windows 10 and have three different IMAP email accounts and a collection of local message folders that I access.

• Keyboard Shortcut Bug: I use the the filter box activated by <Ctl+Shft+K>. Everything works fine when I freshly launch TBird, but after some variable length of time after switching between various apps and activities, when I return to TBird I find that <Ctl+Shft+K> does not switch focus to the filter box. In this state, typing a search string gets lost. I can manually select the filter box and enter a search string, but the keyboard accelerator is not functional. It does not repair itself until I relaunch TBird. I have tried unsuccessfully to isolate events outside of TBird that bring this on.

• Icon Action Bug: I also use the inbox selector icon and a similar problem happens after extended external session activities, but not necessarily coincident with the filter box problem. The inbox selector icon stops functioning to display the new input mailbox folder being selected -- it keeps the previously selected folder in the mailbox window. To switch to another folder, I have to manually open the folder sidebar menu and select the folder I want to display. Again, I have not been able to pin down what causes this to happen. It resets to normal function when I reload TBird.

• Text Formatting: Before the upgrade to SuperNova, when composing/editing a message, I could select disjoint strings (using <ctl>select) and have text formatting options (like text style) apply to each of the selected substrings in parallel. Now with SuperNova, when I select disjoint strings, the text formatting option applies only to the first selected substring. This makes complex text formatting very tedious because I have to sequentially select the substrings and apply the formatting commands. Please restore the previous ability of reformat multiple selected disjoint strings.

Thanks again for your outstanding work on improving TBird!

Regards, Tom Rindfleisch <tcr@stanford.edu>

I am finding more and more sites that I regularly go to are no longer working on firefox. One site was because HTML5 apparently does not work on firefox. But others I don't know about why are no longer working on firefox. I thought it might be streaming related but just today I could not access one of my banks on firefox, and I tried many times, but had no problem signing on using Chrome.

Im using Ubuntu 22.04 LTS Intel cpu I7 9th gen NVIDIA gpu but i disabled it My problem is that the Picture in Picture mode isnt sticky if i press anything it vanishes from view.

The Site Notification for Firefox for Android is broken (don't know if it's just me) I have a notification for IGN website but Whenever I click on any site notification I received it always open a " about:blank " page rather than the actual website.

My phone model is ZTE Blade V50 Vita ZTE 8550 Running android 13

In Android 14 oneUI 6.0 i have an issue while i download, the progress of download doesn't show up, i have checked everything but only the Firefox notification of private search shows up, plus when it is downloading the file i have problems when browsing, like when i use the keyboard The keyboard automatically closes and doesn't allows me to type I don't know if i explain myself clear enough

Despite updating to the latest Firefox version (127.0) and performing a reset, I continue to face high CPU usage issues. The battery monitor reports extensive CPU consumption for minimal use, even when only a single tab is open. This problem is not exclusive to the main Firefox app; it persists across other Firefox-based browsers as well.

Device: Xiaomi (HyperOS - Android 14) Issue: High CPU usage across multiple Firefox versions Troubleshooting Done: App reset, tried alternative Firefox-based browsers

I urge the development team to investigate this recurring issue, as it significantly affects the performance and battery life of mobile devices. Your prompt attention to this matter would be greatly appreciated by all users experiencing similar problems.

I am writing to request assistance with an issue I am encountering on the latest version of the Firefox browser for Android. My goal is to open specified pages in the same tab using Intent from a third-party custom application. However, I have observed that different URLs open in separate tabs, contrary to my expectations.  Current Implementation:  Here is the code snippet I am currently using: java： Intent intent = new Intent(Intent.ACTION_VIEW); intent.setData(uri); intent.putExtra(Browser.EXTRA_APPLICATION_ID, packageName); startActivity(intent); Expected Behavior:  I expect different URLs to open in the same tab without opening new tabs. This functionality is crucial for my application.  Issue Background:  I have researched similar issues and found that users have had comparable needs using Browser.EXTRA_APPLICATION_ID. Unfortunately, it appears that Firefox has not fully addressed this functionality. The EXTRA_APPLICATION_ID is a feature that modern browsers should ideally support to enhance user experience and maintain continuity within a single tab.  References:  I have referred to the following discussions and issues for additional context:  Mozilla Support Forum: https://support.mozilla.org/en-US/questions/1364869 GitHub Issue: https://github.com/mozilla-mobile/fenix/issues/23329 Request:  I kindly request that the Firefox team consider adapting this functionality officially or provide an alternative solution if it has already been addressed. Any relevant documentation or guidance on achieving this behavior would be highly appreciated.  Thank you for your time and assistance.