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Over the last two days (starting just before the latest Thunderbird update) Thunderbird is crashing 3 or 4 times a day, and is intermittently failing to download emails. Opening attachments (e.g. PDFs) to emails can take several minutes, whereas previously it was almost instantaneous. Task Manager shows that Thunderbird's power usage is 'very high'. None of these problems has happened before. I'm running Windows 10 on a PC.

I am a POP user using Thunderbird Version 115.2.3. I retrieve the mail headers first, then when I click on a message to see the contents of the actual message Thunderbird skips to the next message. The message I had wanted to read now becomes the previous message. I then have to go back and click on the message to see its contents. Please correct.

I have a mail provider that has a funny folder hierarchy like inbox

   trash
   sent
   ...

Basically, all folders are under "inbox".

• • Before version 115.2.3**, smart folders were handling that properly.

Now, when I add that "inbox" in the "inbox" smart folder search, it appears for a few seconds there, then disappears until I actualize" again the inbox smart folder. Sometimes thunderbird crashes/

After the automatic upgrade to 115.2.2, I have lost access to all my folders, emails and calendar entries. But I can still see my addresses by using Tools/Address Book, and my filters by using Tools/Message Filters.

When I started Thunderbird for the first time on 115.2.2 I got to the usual message page which had all the tabs of the "open" emails I had when I last closed Thunderbird. But there was no sign of my folders and I couldn't get to any other messages (See first screenshot). I also had a second occurrence of Thunderbird running (I could have hit the icon a second time) that didn't show the tabs I had on the first screen. (No screen shot)

On a previous post here https://support.mozilla.org/en-US/questions/1424153 it was suggested that I try Troubleshoot mode. That made no difference and at that time I had no folders showing, and just two tabs. I suspect after that I deleted the tabs.

Now I get a completely blank page in what is usually the message/folder area. Also the button for the address book above the message pane has now gone disappeared (Second screen shot), and I can find no way of accessing my previous (10years+ of messages).

It looks to me as if something is wrong in the profile.

Where do I go from here?

After the update I see the three windows, (folders, messages and content) but they are empty. When I select all folders in view I can see my folders, but the messages and content windows remain empty. It does receive messages as I see the number of messages increase. Has the update changed the view settings or is it more serious? I don't dare to change my profile as I have thousands of messages in hunders of folders that I like to keep. I am using windows 10.

I often get a message letting me know that an email was sent but not saved to the sent folder. I often have to refer to emails that I have sent. So that is an important function for me. What can I do to fix this issue? I'm on a Mac and emails are being transferred from my email client with my hosting company. Thanks in advance for any help.

When I update to 15.2.2 48 of my local folders disappear. Is this a bug? or is there some new filter which excludes certain folders?

I have reverted to a backup and re-updated to confirm the problem consistently.

This is preventing me from updating to supernova. Any suggestions would be greatly appreciated.

Hi! I have two Firefox accounts, one for work and one for personal use. I often have them running on the same computer at once (this does cause them to crash occasionally, but not often enough to be a problem). However, today I tried to log into a website where I regularly do freelance work and received this error code: "Error code: SSL_ERROR_PROTOCOL_VERSION_ALERT"

I would assume something was wrong with the website itself, however when I went to that same site on my other account, it loaded just fine. I've restarted my computer, restarted firefox, deleted cookies and caches and browser history, but still get the same message on my work account. Any idea how to fix this?

Thanks!

Firefox for Android allows you to register WebAuthn credentials and save them to "this device". You can test this at https://webauthn.io/ . However, I have not been able to find a way to view or remove those credentials saved to "this device". What is the location of where those credentials are saved, and how do I remove them?

Note that these credentials are not visible in Settings > Logins and passwords > Saved logins. That section seems to only be for saved passwords and does not include WebAuthn credentials.

On the previous Thunderbird release there was an option to change how often new messages are retrieved. Is this still an option on Supernova? If so, where can I find this setting?

I don't use McAfee. I recently downloaded Adobe Reader and it appears it comes with. How do I get rid of these constant pop up messages that appear to come from "Mozilla Firefox"?

hi

As title，it's unable to remove check mark in use of primary password. and not able to disable the primary password. could you please help it out? thanks.

My emails wont download, when I click on get messages the left bottom of the screen says "checking mail server capabilities" but nothing happens Also, when I send a message this message comes up "Your message was sent but a copy was not placed in your sent folder (Sent) due to network or file access errors.

This was all working fine yesterday. I've tried reentering my passwords, retstarting computuer, restarting Thunderbird in Troubleshoot mode.

I was using firefox sync across multiple devices, but at some point in the past few months, i got locked out on one device due to too many wrong tries (i THINK. something went wrong anyway), and now, i am logged on on only 1 computer, and none of my passwords (even the one currently saved in my password manager, 1password) work when trying to log into other devices. using the QR scan from firefox/pair page on my ph doesn't work either. so, now i'm afraid of getting logged out from my main computer and then losing access to years worth of bookmarks & folders & plug-ins etc. unfortunately, when i went to try & add a back up email for my account, it was too late...it kept asking me to log in to do so, and my password isn't recognized anymore (or i maybe inadvertently changed w/ a typo inserted?). i was thinking about just trying to download all my bookmarks, deleting my current account, and creating a new one...but then i need the log in to delete the account. i want to keep the same email for the user name, since it's my main email.

i am at a loss as to how i can get around this impasse.

I don't know when it started (quite awhile), but when I go to some websites even in FF safe mode, I wait a long time but get nothing displayed and it stops spinning/waiting (the circle arrow upper left stops). Occasionally when I reload, it comes up but usually it doesn't. Other websites it works fine.

In fact, if I browse to some websites, sit and wait awhile, then go to chrome or edge, type in the same website, the page displays even while FF is sitting there waiting.

ebay.com seems to work great, but for instance this morning, this one doesn't: https://www.crowdpac.com/news/741938 but sometimes this works: https://www.crowdpac.com then try it again (refresh) and it never responds.

And in fact, I'm using Edge to submit this question because when I browsed to https://support.mozilla.org/en-US/questions/new/desktop#search in Firefox/Safe and clicked on the Sign-In/Up button, nothing happened. With Edge it worked fine and I'm able to type this in.

HELP!!

Every time I open Firefox Bing comes up. How can I get rid of Bing completely and forever? I hate it ! I don't want it!

I've tried going through add-ons, I've tried deleting all of the Bing files that I can find.

HELP!!

PLEASE!!!

How do I get back a previous session of Firefox (windows)? Firefox froze up. I restarted my computer. Now my session in Firefox doesn't show up at all in 'History'. Isn't there a way to recover a previous session?? I've never had this issue before and had a lot of important tabs in that session that would take many hours to try and find in my complete history from all links.....