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Earlier I logged in to Firefox to pose a question. Checking email, I had a notice from Mozilla that my account was used to sign in: Firefox on Windows 10 / United States (estimated) / Thursday, Oct 23, 2025.

Does Firefox think I'm using Win 10??? I checked my computer and it verifies that I am running Win 11 with all updates.

Call me confused. Or is this a non-issue? I ask because I'm trying to get into a member website and after I login, it takes me to a page that is for new signers ... not an existing member. Has happened several times.

Thanks,

Ron

Hi all,

For quite a while I'm working together with others on a voluntary base (nobody gets money) as members of a computer-club, a charitable NGO and NPO (in German: gemeinnütziger Verein) for seniors in order to bring them closer to the use of digital devices and media. It's not only teaching, but administrating the hard- and software as well.

I can remember that it was possible in former versions of Firefox to include at least a script into "defaults->prefs". I think it was user.js (not sure) in the installation folder to define common preferences to be fixed, like proxi settings. It always worked well, preventing non-privileged users from making any unwanted changes. As a I found out there must have been a very similar way to include add-ons (like uBlock Origin).

Unfortunately all content I found was older than about 10 years. When trying setting up Firefox as it is now, my test system didn't care about anything I've tried.

I'm talking about > 50 Windows-PC having in average 3 user profiles each (for teaching more than 400 members). We are amateurs regarding PC administration, except some network ex-professionals. "Baking" installation media including our needs, as I already found on Mozilla's pages, seems to be beyond our abilities as well as distributing a fitting profile (we don't have a MS-server), not speaking about Group Policies.

Is there any usable guideline for people like us? Today, each FF-installation looks different and I would like to unify this as easy as possible.

Thunderbird ver 140.0 (64-bit) on Windows 11.

Brand new, fresh installation of Thunderbird. - Added a GMail account. That worked. - I tried to add an account with my personal domain. I enter my name, the email account, and Thunderbird gets stuck in an unending loop looking up the configuration. - Other email clients have successfully looked up the config and did the setup without a problem. - The email account is handled via IONOS.com servers. - If you gave me a manual setup option I could handle it but there is none; TB goes straight into trying to handle it itself.

Any ideas?

TY, Frank

I asked a question, received an email confirmation. I've spent 10 minutes trying to find said question in my profile. NOTHING! ANYWHERE! If your instructions are useless how are your claims of competence as a browser any different? Why is use, or even the simple attempt to use your well touted product so bloody frustrating?

Problem: newly added account disappears when TB is closed. Thunderbird on this PC (Dell Latitude 6540) has held a Verizon account for years. The "new" account is a different, equally old Verizon account kept on TB in an identical PC I no longer use. When added to TB on the present PC it tests and works fine until TB is closed. Repeated numerous times. Having read thread # 1286437 I did what follows , to no avail: 1. tried TB in troubleshoot mode; 2. tried in Windows safe mode; 3. cleared startup cache; 4. drastically pruned old emails; 5. looked up profile folder under troubleshooting info. Folder qxxxxxxd ( size 1.18 GB before adding new account) holds one folder tree, one directory tree, but NO prefs.js file. Instead, twenty-two prefs-xx.js files from 1 to 22; removed all to a thumb drive except prefs-1.js which I dared not rename as prefs.js; 6. found two profile folders, both labeled default. One is the above holding 1.18 GB, the other holds 685 MB (probably harmless and related to an old university account no longer extant). I copied both profile folders to a thumb drive. Note: profile folder qxxxxxxd is clearly engaged in what I am attempting. When TB is open with the added new account working -- which is the case as I am writing --, profile folder size increases from 1.18 to 1.20 GB and the number of folders increases by one (under "Mail" the list of pop.verizon-xx.net sub-folders increases from 17 to 18). Please advise on what to do next; I am 86 and no software geek, but can follow instructions... Thanks --Paul

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i need help please reconnect my facebook account as soon as possible if you need to send me references for this please

Is anyone else having this bug? I'm reading through my mails and I delete one or multiple mails and then the entire box disappears and says "No Message Found." Then, I have to click on the account and then back to Inbox to see the mails again? This has been happening on the last two builds on TB??

And then I get the disk space error...even though there is almost 3T of space??

https://www.landiannews.com/archives/109793.html http://mozilla.com.cn/thread-430093-1-1.html 有传言称 Firefox 将关闭中国运营公司 (谋智火狐信息技术公司) 和终止中国版账户，中国区的论坛里面出现了莫名其妙的常见问题总结，请问是否属实？

Apparently, I was over-zealous in tidying up some things at my Fastmail account (e-mail service provider), and I removed authorization for Thunderbird to access it.

When I open Thunderbird, it asks for re-authorization. See my first screenshot. This page is blank, so I there's nothing I can do with it. It is blank even after I start my Macintosh in safe mode and then start Thunderbird in troubleshooting mode.

So I made a back-up copy of my profile, deleted my Fastmail account in Thunderbird, and tried to set up my account again. See my second screenshot. Thunderbird hangs while looking up the configuration, and there is no way apparent way to set up the account manually.

So I am stuck. How can I either re-authorize Thunderbird (obviously, the preferred outcome) or re-create my account in Thunderbird?

I have followed the instruction https://support.mozilla.org/de/kb/Benutzerprofile-Thunderbird#w_ein-profil-sichern to shift my profile from one harddrive to an other on my PC

The original profile is still on the old location %APPDATA%/Thunderbird I have updatet profiles.ini pointing to the new location At first glance it seemed to work Thunderbird was starting and when I cloesd it the date of files in the new location changed. But when I renamed the old profile in the old location Thunderbird does not start correctly and I only get

   <menuitem id="folderPaneContext-getMessages"
</pre>
^
If I rename the old profiles again to the original names, it starts without any issues

I want to make sure my personal info is not exposed but don't know how to enlist Monitor for FREE as you advertised. A a first-time customer, how do I get my $ back??? NOTHING is explained on that site!