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I access Thunderbird through AOL. I have a completely separate yahoo email account which I do not access with Thunderbird. Do I need to do anything with respect to the new "authorization protocol known as OAuth2 with PKCE"?

I use Thunderbird with AOL. I have a separate Yahoo email independent of Thunderbird. Do I need to do anything with respect to Thunderbird switching to OAuth2 with PKCE?

A bug perhaps:- If I highlight various messages at once (I use shift and arrow) and then I press delete. When i subsequently navigate to any other message I can't read it, instead I see this message until I quit and reload Thunderbird: We're sorry, but we can't display this conversation, because the messages have been moved or deleted. Has anyone else noticed this and, better still, do you know how to work around it. I'm using Unified Folders by the way, in case that's relevant.

Hi, my Gmail account on Tbird is failing to copy sent emails to the sent box. The email hangs with "connecting to Imap Gmail" and then "your email was sent but a copy could not be placed in your sent box". I have re-downloaded Tbird, deleted and re-connected to Gmail but the problem persists. I have tried the fixes mentioned on this forum in 2024 (e.g. changing the destination folder as suggested, changing threads to "all") but nothing seems to work. Help!!

Hi there. Have tried everything but still can just receive and cannkt send emails for my personal outlook account that I recently created. Other old outlook accounts are working fine (can receive and send). Basicaly have done everything that sugested here on forum. Please help. Thanks a lot!

Went to https://www.universalproperty.com Received error: “An internal error occurred!” Please see the console for more details.

macOS. Firefox is running. I enter: open -a Firefox --args -private-window "https://apple.com" (in Terminal or Automator) which I believe should open apple.com in a new private window, but although the focus change to the already open Firefox window, a new private window does not open. It does work (apple.com opens in a new private window) if Firefox is not already running, but I thought the -private-window argument is supposed to open a new private window whether Firefox is already running or not. What have I got wrong?

When I login to amazon, it asks my user name (normal), then asks my password (normal), then when it sends a code to my phone, it freezes the entire browser and I have to force quit Firefox. Been happening a week, I've cleared history, run several programs (Malwarebytes and CCleaner-with normal results) and restarted my computer (Macbook Air running Sequoia 15.6.1). Any fix for this?

I have latest version of FF and MacBook Pro 10.9.2. Recently had major keychain problems and worked a lot with Apple to solve them. Now all is well but…. I am now frequently asked to enter my master password when I am in FF; they has never happened before. For example, when I go to Amazon, a window opens asking for the master pw. In some cases, this is not a big deal because I can cancel the request and my keychain will get me into the site. In other cases, my keychain does not work if I cancel the request for the MPW and I have to enter my access information. I asked Apple support about this, and they said to contact you.

We tried 2 different computers, but two different users. Type in the user name and the password and it looks like it will start up, but then returns to the login paged.

Up until 6 months ago I was easily able to access all my bank accounts on line using Firefox. I can still access others but not Capital One 360 on line banking. When I try to access Capital One I just get the message that " there has been snag and to try again" which does not work. So I can access my Capital One account only thru Google Chrome. Capital One says that the reason is that Firefox does not update their security setting to the level they require. Can anyone tell me if this is the problem or if there is some other reason why I can no longer use Firefox to access this account.

Hello support-type people,

I have a specific website that I have active in FireFox called myNoise.net. It allows me to generate background noise generators to cover-up the distracting noises from my neighbours when working at home on my desktop computer. The audio on the website worked the last time I opened Firefox ~2 July ... but today, when I opened the browser, the audio no longer works. I cannot get the website audio to load at all - I added the website to additional exception lists & shut down some content blocking extensions, but no joy. The website was already listed in multiple exception lists & I do not know or understand what change(s) occurred with the browser that would prevent this site from properly functioning - since it literally worked a week ago. I would appreciate any assistance and/or guidance with this issue, otherwise I will be eliminating Firefox as one of my browser options. I have provided a screenshot of the site that shows the perpetual "now loading" screen. Thank you.

When I try to access a movie or get further info by clicking the movie's pic, I get this message, despite deleting my cache and cookies, closing and opening Firefox, shutting and opening my MacBook. Any suggestions most appreciated!

That shouldn't have happened.

It looks like something went wrong on our side. Let's find you a great video to watch instead.

This is the link to the video that will not play in FireFox. https://www.swingtechnologies.com/UploadVideos/clarkj@pobox.com/S200629_019 B.mp4

Hello, I am trying to login to my account on www.zazzle.com and use their site. Sometimes it will let me through and I can be on the site for about 20 minutes before a captcha comes up that says press and hold this button so we know you are not a bot. Well the button never works, it always errs out and gives me the message to please try again, and then locks me out of their site. I have tried clearing my cache and cookies, updating my browser, resetting the router, I don't have any VPN's, I have tried working in a private window, adding the website to the privacy exceptions, block pop up windows is unchecked, I am out of ideas, what do I do??

https://www.realestate.com.au/buy/property-land-in-fraser+rise,+vic+3336/list-1

Unable to open this site from Mozilla on Mac book but it opens in safari. What may be the reason?

i just upgraded firefox for Mac OS to 115.23.0esr (64-bit) and now I cannot log in to my bank account from this desktop. Safari works on the iPhone but I NEED FIREFOX ON THE DESKTOP IMAC (Sierra 10.12.6) There seems to be NO INFORMATION ON YOUR "ASK A QUESTION" PAGE ABOUT THE UPDATE

So I understand this: https://support.mozilla.org/en-US/kb/xframe-neterror-page and the reason it exists, but I need to find a way to turn it off because it's literally blocking me from accessing the Library of Congress webpage inside the same browser for my job. It's not a malicious site, but I can't figure out how to tell Firefox to stop blocking it as if it was a malicious site.

Help.

All my other browsers work fine but since April 4, 2025 Firefox won’t work at all. Websites won’t load. I have tried to clear my cache & cookies, I have checked my connection settings, I have checked for malware, I have turned off all my extensions and I have completely restarted my computer several times now, nothing has worked. I also did trouble shoot mode & reinstalled Firefox (though I will admit I maybe didn’t do this step properly). I refreshed Firefox. Why is it not working? What happened? I don’t know what to do as I don’t want to lose all my bookmarks and passwords that I have yet to move over to my password manager. Please help.