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I redirect incoming messages into local folders for much of my incoming email. One of my primary sub folders has disappeared. I don't remember doing anything with it – at least not intentionally. It does not show in either the local or primary trash folders. It is not in the archive folder. It is not showing as a sub folder under any other local sub folder. Where did it go and how can I find it?

Downloaded the Thunderbird U.S. holidays to my calendar. My calendar is overloaded with miscellaneous and unwanted holidays. I've tried methods on the internet to delete them from my calendar with no success. I'm sure there is a method, but no success in finding it. Please help! Do I need to unistall Thunderbird and start over?

I've unchecked all three boxes, but the two sub-boxes stay checked and the sponsored stories and links continue to appear even though I unchecked the boxes. See attached image. How do I disable? Why can't I uncheck these boxes? I was actually just trying to disable it for a few, not all of my computers, but, now that it's being forced on me, I'm a bit unhappy with Firefox. I've supported, promoted, and used them for years but now they seem to be following the same path of other prying browsers. :(

I recently asked a question about having a problem with Firefox not successfully loading a second webpage tab. While it appears to start loading correctly in a new tab the tab remains a blank page and the address window continues to appear that the loading process is ongoing but it just continues to show the apparent loading process but the network has no activity. I tried following some suggestions but to no avail. I then uninstalled Firefox and did a clean, new install. Upon trying the new install it appeared to work correctly at first but after attempted to do a second Google image search, which worked correctly, I tried to visit the site that what contained the original image. The site partially loaded; appeared to keep loading for about 15 minutes; stopped; and I got a partially installed page and even that wasn’t correct as can be seen in the enclosed images.

There have been several links or Youtube movies that come back saying that my browser doesn't support that page.

https://www.youtube.com/watch?v=eKmoGhvYA1Q

https://search.pch.com/search?q=jewel+of+the+nile&wunv=2

I have successfully added numerous Zoho email addresses for our business into Thunderbird so I can easily toggle back and forth between inboxes, etc., but I have one Zoho email address that I just can't get to add. I created a new App-Specific Password for it in Zoho in case that was the problem, but the new one isn't solving the issue, either. I've attached an image of the screen and the message I'm getting- please let me know where else I can check for whatever might be preventing this add.

To be clear, I seriously doubt the problems I am encountering are TB's fault! The problems may be my fault since I've grown older, I've tended (believed) using new versions of software present my mind a BIGGER challenge than using the older software/version I have been successfully using? I'm still using Version115.10.1

After our ISP chose to start using Zimbra Oct. 7, 2025 and their tech support could not assist me in getting TB working the had me remove POP3 settings for TB and change to IMAP with their software.

FINALLY someone helped me get TB working with IMAP. For 3 days grrr. Now the ISP says I need to use their web mail, Zimbra.

So might downloading the current TB version and somehow get the In box, all the folder contnets etc. over - into the new TB help?

I was going to backup everything tonight, now I have little to NO hope, without help!

THANKS & remain WELL plus be SAFE!

Robin

Hi -- I'm getting quite a few page crashes that seem mostly tied to YouTube, although not exclusively. I only recently swapped over to Firefox from Chrome because I was having similar crashing issues with that browser as well. This is after a fresh install of Windows 11 Pro and a number of different benchmark tests (no known issues with CPU, GPU, or RAM).

Since there are so many reports that all seem different, could someone help troubleshoot? I really can't tell if it's a browser problem, maybe something with my MOBO or PSU or other hardware.

bp-8849827b-dbff-4f56-ab32-a00e50251111 11/10/2025, 7:04 PM bp-b9b83d66-9ac5-4eae-9676-367000251111 11/10/2025, 7:04 PM bp-4b8e92c0-0a15-45ef-b8e1-567920251111 11/10/2025, 7:02 PM bp-4c1a61f1-674e-4da0-8921-156f50251110 11/10/2025, 12:21 PM bp-659dc04a-4933-4a3b-919b-3c1c50251110 11/10/2025, 12:21 PM bp-9387464a-bc4e-4217-995a-f457f0251110 11/10/2025, 12:21 PM bp-97bc77f5-3fa3-4623-b48b-d94e90251110 11/10/2025, 12:21 PM bp-47d723e7-4eab-41d1-b97b-410ef0251110 11/10/2025, 12:21 PM bp-58abdc4e-d959-41c9-bf0a-469280251110 11/10/2025, 12:21 PM bp-b593054f-5a6c-4693-82c8-79d410251109 11/9/2025, 6:47 PM bp-13f555f8-c219-4995-b09f-b15440251109 11/9/2025, 2:11 PM bp-91cbf8ab-d793-4781-ba28-0fd030251109 11/9/2025, 2:11 PM bp-5e7db47b-6114-4cc6-a1ac-daaca0251109 11/9/2025, 2:11 PM bp-ef240795-bedf-4c26-91f2-386ba0251109 11/9/2025, 2:11 PM bp-51ec26ab-03f0-4e0b-b199-b2f600251109 11/9/2025, 2:11 PM bp-aef18aaf-1b2e-410e-9170-99fd50251109 11/9/2025, 2:11 PM bp-e5bc73e3-293e-4b3a-8974-e088c0251107 11/7/2025, 1:38 PM bp-85a1ba73-0df8-484b-b9bb-945cc0251107 11/7/2025, 10:59 AM bp-26c84615-670b-49e8-88aa-c26ac0251107 11/7/2025, 10:59

msn.com and outlook.com recently changed their login procedure and I can't login using firefox. I get an error 400.

I use Thunderbird to access my Hotmail account. I normally work on my Desktop Windows 11 system but have a laptop Windows 11 which I seldom access email with. When I just tried to update the laptop Thunderbird mail I eventually get the Thunderbird message "Unable to write the email to the mailbox. Make sure the file system allows you write privileges, and you have enough disk space to copy the mailbox". There is enough free space on my drive and it succeeded writing 10522 messages before it came to a halt. I notice that the desktop is at 140.4.0 and the laptop is at 144.0.1 and help says they are both up to date.

Since the Desktop mail is up to date it would seem the quick solution is to replace the mail folder on the laptop with a copy of the mail folder from the desktop. Will this be a problem since they seem to be at different versions. Version 140.4.0 on the Desktop and 144.0.1 on the laptop.

Installed mobile android app. Manual configuration as other methods did not work. Email received and all well but the Sent folder contains only recently sent mail, which then disappears leaving the folder empty.

One piece of advice is to check a folder called " copies .... " like repair on Win 10 but neither exist on the mobile app. Any guidance welcome.

Hi, after latest update just now, the browsers uses up to 45gb of ram within a few minutes! Not sure what it is, I am on MACOS Sequia Version 15.6.1 (24G90) macbook pro M1

I can't sign in to TikTok anymore. This just happened recently. I can sign in on different browsers or on incognito browser but not on the regular browser. I have deleted all the cookies/browsing history and it still doesn't sign me in. There must have been something that was added or downloaded/Updated in the past week because this just started happening yesterday. Please help...

i downloaded firefox update 145 and it removed the minimize window, maximize window, and close window funtions at the top right of the screen. is there a way to restore them permanently?