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This problem began a couple days ago. I have no problem accessing other sites on Firefox (and none for this site over years of use.) Can access site on Safari without problem.

After updating to Thunderbird version 115.12.2(32 bit) two days ago, I can no longer send emails. I get an error message "Authentification error (VM401)" I use Virgin Media. I can receive emails OK. I have not changed any server settings for a long time. I have been in touch with Virgin Media, they say the problem is with Thunderbird as I can send emails from on their one line system. I can also send emails from my Android phone. Any help would be appreciated.

I know this problem has been discussed extensively, but I can't fix it even after reading the previous posts.

I have an institutional email address that uses outlook.office365 server and mandatory two factor autentication. I had my Thunderbird setup with this, which suddenly stopped working one day on my office PC. I updated Thunderbird to the newest version, but the issue pertains. Currently I'm running Thunderbird 115.12.2. on a Windows 10 machine.

When I try to fetch my emails from this server, a popup window appears that asks for my institutional login credentials. When I enter them, a second window appears, asking for the two factor autentication. However, this window seems to be corrupt, as it does not contain any information, and and it's impossible to type in verification code, as there's no input area at all (see the first picture - note that I'm using a localized version of Thunderbird).

When I click on Privacy and cookies in the right bottom corner, then two lines appear (although without any labels), where I can type in my verification code (I guess that it is the second line, because it shows dots in place of the typed characters, as for passwords). A screenshot of this window can be seen in the second picture.

However, after typing the correct code and clicking on the grey button, the first window reappears, this time with my email address that keeps flashing forever and nothing happens. It does not even matter if I type in the right verification number or just anything, it produces the same behaviour. As a result, I can't log in to my mailbox, which is operational, because I can log in there through the web interface of outlook, and also from my laptop using Thunderbird 78.14.0. I also made sure that the server name and authentication methods are correct (outlook.office365.com, port 993, SSL/TLS, OAuth2).

Do you have any suggestion how to solve this issue?

Many thanks.

Hi,

I am trying to print a long webpage into a PDF format. When I open the Print preview window, I noticed that pages after the 255th page are all blank. I tried changing the destination but this seems to be a persistent issue. I tried the same procedure with Microsoft Edge and the entire page was able to be seen in the Print preview window.

Thanks

Out of nowhere a couple days ago Firefox started loading local html files extremely slowly. I was using Live Server to render the pages, so I turned that on and off, uninstalled and reinstalled to no avail. I tried dragging files in from the original folder on my computer, but even that doesn't work. I tried updating firefox, and then my computer (which is running Fedora Linux 40), but still nothing.

When I try hitting inspect on the page, it only loads the HTML but doesn't let me inspect the JS as it wont load, and it's saying I have a ton of errors too. I can't look at the errors because they wont load, but I know it doesn't have to do with the original file as there was only one error which the page was working fine with before and each time I try opening the file it gives me a different amount of errors.

I tried clearing my cache and cookies, which didn't work either.

Does anyone know how to fix this? I'm having no other errors on other pages.

This new version of Thunderbird (115.12.2) is not the best. The Composition toolbar doesn't exist when typing a new message and I no longer have a menu bar when typing a new message.

Another issue is on replying why do these sideways "V's" show at the beginning of each line of the senders email when replying. Sometimes it will be just a black line all the way down. When I saw those I felt like I had woken up in 1995.

I am using Windows 11 Pro.

Thank you

Hello- I want to add some verbiage before my business card that I have add to my Signature. see image - How do I include the Warm Regards, name, number? I did add on "advanced composer" but cannot find how to use it in FF Thanks for the help

My Local Inbox suddenly started to arrange itself by group according to correspondent. I can't get the emails back into chronological order. I can't work with a mail program that doesn't give me my messages in chronological order, with most recent at the bottom. If I did something to cause this change, please tell me how to undo it. I have about eight email addresses, and they all feed mail into the Local Inbox.

When I try to click on certain key buttons in webpages, nothing happens. examples: "Sign in" won't sign me in. A field that lets me change number of products desired won't let me fill change the number. Only seems to be executable (CTA?) buttons. Thanks for any help.

For the last several weeks (can't give an exact date, but it's been more than just a couple weeks, less than a couple months), both my husband and I have had issues loading videos in FF. We both have the latest version of FF. I went thru "Fix common audio and video issues" and did all those things, as well as trying to load the videos in troubleshooting mode. Nothing has helped (tho now that i cleared all the cache, i'm gonna have to log back into all those websites :( ). Nothing else is problematic. Our internet connection is fine. In fact, my husband has resorted to using MS browser to watch videos--they load fine in that browser. I have no other idea what to do. Searching your database for "youtube videos load slow" only resulted in a couple hits with no resolution. Hopefully this isn't the third. thanks

If I press and hold the arrow key, the page scrolls for a few lines and then there is a delay of about a second before it actually starts scrolling. How do you remove this delay? For example, hjkl works exactly how I want it to in the vimium extension, but I'm also using home row modes, so I can't use it. I'm not talking about smooth scroll or something like that. I also tried Yet Another Smooth Scrolling WE and it's not what I was looking for. This delay also common to chromium.

When I search for a Hebrew-language video on Firefox the resulting link text overlaps with the English text “Translate this page” for all YouTube videos. I don’t want any page translated and my Firefox Translation settings include no languages. The overlap only occurs on YouTube video links. How can I get rid of the “Translate this page” text? Thanks.

I was getting warnings from my e-mail server that I was near the mailbox size limit, and Thunderbird displayed a percentage bar in the lower right corner. I've deleted a lot of large messages and want to see how far I am from the limit now, but now the bar isn't displayed. Is there a way to refresh this? Or is it a warning that's only pushed from the server?

(Unfortunately, my webmail site doesn't compute the size correctly and shows me at over 400%, so I can't see the actual size there until the server sends me another warning.)

Hi when saving bookmarks with the key Control+ Shift + D this saves all bookmarks but doesn't save pinned bookmarks, what keys save all bookmarks including the pins? Thanks

I can no longer use my camera on firefox, firefox displayed some message about camera when we were trying to chat, but I missed it, I have granted relevant permissions on the site, that we use reularly. The camera icon on the address bar appears red, and I noticed that in Windows security, it lists firefox access requests, but shows no way to grant these requests.

I am not tech minded so please if anyone could keep it simple, I would appreciate it.

Hi,

I've recently had a full Windows reformat, and I'm setting my PC back up. I used the Firefox profile to resync my data to the new Firefox install, but I'm encountering a glitch with Youtube where I'm already signed in(Gmail, and all Google-related products work perfectly fine), but it's not capturing that data somehow.

I've attached a screenshot where, on the right you'll see my sign in was successful, but on the left where my user platform should be, it's prompting for a Sign in. Clicking on Sign in only refreshes the page, and I have limited options as to what I can do with my profile if I were to click on my profile picture at the top right corner. Additional screenshots labeled Firefox.jpeg and Chrome.jpeg that shows what I can see on Firefox(glitched) vs what I should be seeing normally (which I used Chrome for this example). As you can see it's severely limited, and none of the options allow me to sign out or change much of my Youtube profile.

Steps I've taken so far: - Reinstalled Firefox - Removed previous profile via profileOLD.ini - Disabled all Extensions - Cleared Cookies - Tried to add Cookies exemption for accounts.google.com and accounts.youtube.com, still a no go - Tested with several Google accounts, same issue - Tested with other browsers including Edge, Chrome, and Opera, I'm able to play Youtube normally.

It worked perfectly well just this morning before my reformat, but when I reinstalled Firefox, and it synced with my Firefox account, it just happened.

hi, on the top right there is a search bar. for the history i normally highlight the word and press delete, now thats not working, why is this and how can i fix this issue?

Hi!

Every 10-15 days Firefox crashes on one of the machines.

The only error I have is the "No mapping between account names and security IDs was done" in the Event Viewer at the time of the crash.

Firefox and the system fully up to date. The system exhibits no other issues.

Windows 11 Pro, no domain, crashes happen on multiple accounts on that machine.

The user is not signed in at the time of the crash. They have been using the same add-ons for years, but just to rule it out, Troubleshooting mode was attempted to no avail.

AV has been completely removed temporarily to avoid any conflicts.