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A couple of weeks ago all of my bookmarks disappeared from my profile. The toolbar is empty and when I click manage bookmarks, the entire interface is blank. When I attempt to do the restoration method suggested in the firefox guide, nothing happens when I click the restore button from the drop down. I tried logging out and logging back in, but that didnt help unfortunately. Any suggestions or help is greatly appreciated.

Right side bookmark column pops up when Firefox opens. I close it, set setting to horizontal (which is also always present by choice), but the right column return search time I open the browser. I have poor eyesight and need all the screen I can get.

How do I keep it off?

am a senior and need to talk to someone about not being able to open certain important websites - like for my credit card. Most other website cause me nor problems. At 82, and with poor eyesight, the articles are just mumble/jumble to me.

I am receiving popups - sometimes five to seven, stacked, and purporting to be from Firefox or Mozilla but having a clearly "poisonous" URL, The popups warn that my computer is infected with a dangerous virus and want to to click on them to remove it.

I do have an anti-viral program installed - "McAfee".

I went on the Mozilla page regarding reporting bugs but it is a bit above my pay grade to understand.

Robin Miller

Been using Thunderbird for a number of years but recently the SSD on my laptop became corrupted and I had to buy a new one and install TB and restore my profiles from a backup.

I have two accounts and switch between them with Profile Manager.

The new laptop is an ASUS Vivobook with Win 11 Home and although TB runs ok the first time, if I close the current session and try to open the other account, nothing happens when I click on TB icon on the taskbar. IF I wait for around 5 minutes then it will run

Checked in Task Manager and cant see any instances of TB running, so any thoughts on what's wrong. Does not matter which order I open the accounts.

My Mac last night lost thunderbird (and numerous others things) and it's setting itself up again. I get an error that smpt already exists and I can't go any further! What's going on? Using Comcast Mail.

I had a working thunderbird/gmail connection until my main drive went to SSD heaven. Yes, I have current backups but I took the opportunity to move to a Win 11 box so all my data is safe but might be in different places.

I can log into gmail but can not configure thunderbird to do that. The Account Hub does what it is supposed to and all is well up to Password question. The gmail password does not work and I can't remember ever giving thunderbird a password. My mozilla accounts all refer to a domain that I gave up 5 years ago,

Any suggestions would be very appreciated.

Please answer with a copy to [redacted] as I may not have access to [redacted emails from public community support forum] -bill

Since about November 2025, all the mails I try to sent to @sfr.fr addresses (different recipients) fail and I get the following message: Sending of the message failed. An error occurred while sending mail. The mail server responded: <xxx.xxxx@sfr.fr> recipient domain rejected (blacklisted by local policy).

Please check the message recipient "xxx.xxxx@sfr.fr" and try again

I did not have this problem before. If I use Greenby's web mail (My email provider ), the messages are sent without any problem. I would very much appreciate some help to solve this problem! P.Y: pemy@pemyoung.plus.com

I have followed the instructions that several people give to transfer my existing Thunderbird installation to a new computer where I have just installed Thunderbird. That is I copied the Thunderbird folder and put it in the Roaming folded found in %appdata%. Both computers are on Windows 11. When I open the new Thunderbird, it does not recognise it. Furthermore, in Help>Troubleshooting information>Profile folder when I click to open the folder, it looks for a folder that is not in my previous Thunderbird installation: qr19mupe.default-release instead of the one that came with my imported Thunderbird folder. Has this happened to anybody and found the solution? Can anybody help please?

I want to create a wireguard file that I can load onto my router to permit me to use mozilla vpn on my router as i will be using it on static devices eg TV which I want to connect through the router. I understand this can be done but the syntax offered does not seem to work on my PC running win 11.

Trying to get stuff done. It's hard when you start a task in one tab ,switch to another tab to start another task, and when I switch back to the first tab, it hadn't completed the task, it actually paused when I left it. What's the point of multiple tabs, when only one is working at a time? I expect it to continue with the task, while I go elsewhere to complete a different task.

Hello, I have Firefox for Android 151.0.4 on a Samsung A50 with Android 9. On the SD card of the device I have several pdf files which can be opened with Adobe Acrobat with no problems. Instead, when I go to the device's file manager, move to that SD card, long-tap on one of those pdf files, tap on the three dots to see more options, choose "Open with" and finally select Firefox, I have that Firefox opens with a "File not found" page and the address bar shows, for instance "content://media/external/file/22098" while the pdf file I tried opening is "/SD Card/Test.pdf".

Is it possible to open local pdf files on my device with Firefox for Android? In the positive case, how can I do it in my case?

Thank you

I have upgraded to TB153.0.3ESR. I've been on the ESR stream for a long time now. But recently, I started having trouble with my google calendar appearing. I've deleted the provider plugin, I've moved to OAuth2, and for the most part, calendars that I have that are read-only from google show up all the time. But my personal read/write google calendar will not show up.

If I go in and delete the cache.sqlite file, and then start Thunderbird, my entries show up. However, if I switch to a different week, my read-only calendars still show up, but my personal calendar goes away.

I've tried everything listed in all of the steps to fix this, but I can't find anything that gives a clue as to what is happening. Anyone else see this?

Steve.