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Thunderbird not connecting to server. It says timds out and an error occurred connecting to mobile.charter.net. I can neither send or receive emails. This started 8/20/2026

How can I log into my account when Mozilla has locked it? You list no e-mail address, phone number, I have spent alot of time today trying to unlock my account? Why would I want to donate $ to Mozilla, when the customer service is so poor? My account username is [email address]. This is also my e-mail address. I would like to get my account unlocked so I can sync my passwords.

Thanks,

Joe

Hello! Since the latest update to Firefox (153, I believe) my Firefox has not worked. It starts up perfectly fine, but quickly freezes, becomes non-responsive, and needs to be closed. No matter how many times I attempt to open it, the same thing occurs. There’s been been occasions where it hasn’t frozen immediately so I have been able to turn off hardware acceleration as well as remove my theme and disable all my add-ons/extensions, but this has done nothing. Creating a new profile does not help, nor does trying Safe Mode: the same thing happens no matter what. I tried to reinstall the update, but this also did nothing. I haven’t yet tried to uninstall & reinstall or do a Firefox refresh as those are my last resorts and I won’t do them unless I’m sure they’ll make a difference. I haven’t downloaded any new extensions recently, and this only started happening after the most recent update. I’m not sure what else I can try at this point, and am very frustrated.

When seaching the browser will show the result for a split second and then crash. This is a private browser and can not be reloaded. Sending an error report to Mozilla.

We are facing a critical printing issue with Thunderbird 154.0 (64-bit).

Emails are not printing from Thunderbird and are coming out as completely blank pages. However, the same email/file prints perfectly when saved to a folder and printed from there. This confirms that the printer is working properly and the issue is specifically with Thunderbird.

The problem is affecting multiple systems in our office as well as our Ahmedabad branch, which is seriously impacting our daily work.

This issue requires immediate attention. Please investigate and provide a solution/workaround at the earliest.

Contact: Tanushka (HR) Phone: [redacted]

PLEASE UPDATE AS URGENT BASICS...

WE CAN ALSO CONNECT ON (CALL [redacted],,) OR SHARING THE SYSTEM THROUGH ULTRAVIEWER OR ANYDESK ECT,

REGARDS TANUSHKA CHAURASIA HUMAN RESOURCE GLR INNOVATIONS LTD (DELHI)

edit: redacted phone#'s from community support forum

Since yesterday (27 Apr 2026) any and all mail that comes into Thunderbird gets marked as SPAM. I searched online and found people saying that I could reset the junk training filter, so I did this, but incoming mail was still marked as spam. The next suggestion was to delete the training.dat file. Did that, restarted Thunderbird and incoming messages are still marked as spam. The last suggestion was to turn off adaptive junk mail controls. Didn't want to do that because I assumed that it would let spam through. Nope. Turned it off, restarted Thunderbird and two emails from my work came in and got flagged.

I'm running version 140.10.0esr (64-bit) on Windows 11. I am using IMAP to connect to the mail server but it's not running any spam detection software (like Spamassassin). I know this because it's my server and even if it was, no updates have been preformed since the first of this month and this just started happening yesterday. Combine this with the bug that Thunderbird notifies me of incoming mail, even if it's spam (didn't post about this because there are plenty going back a couple of years), is starting to make me look for an alternative.

I already have View > Sort by > Date is selected, View > Sort by > Descending selected, and thread sorting set in settings. See screenshots. Threads sorting so newest is at the bottom, they should be at the top. General emails are sorting properly, newest at the top.

For the past several days, TB has not been downloading messages from Yahoo. When I click to download, it will say "downloading message 1 of 36" and then time out.

I get this message when I double-click the progress bar: "Connection to server pop.mail.yahoo.com timed out."

The settings have not been altered in any way.

I've looked through the various discussions on similar questions in this community and on Reddit, but none of the suggestions have worked.

Help please.

I want to use Thunderbird for transferring email folders from my Yahoo email account. I have no idea how to do this. Simplify, please. Not computer savvy. Thank you in advance