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Okay, I currently have two issues going on, both repercussions from transferring Thunderbird to my new computer. I'll limit this post to one issue!

My transfer to the new computer was not taking; followed instructions but no profiles were loading. I thought that perhaps this was due to my initial problematic installation of T-bird decades ago, where I eventually wound up with a choose-user-profile panel that worked fine with its default setting...so I lived with that easily (see image). Thinking that this was causing the inability to load profiles on the new machine, I tested whether I could delete the never-used profiles in that panel. After just one deletion, that resulted in the "Couldn't load XPCOM" error described here: https://support.mozilla.org/en-US/questions/1360766 Following the instructions on that page to do a repair installation (to the letter), starting T-bird now results in the attached "profile missing or inaccessible" message.

Please advise: Am I doomed?

Thanks for any honest advice. (yes, my Thunderbird installation is big: seven or eight addresses, many local folders, a large history and archives.)

After using firefox for most of my life i am disappointed with the current service i am receiving. I have recently purchased a new laptop with windows 11 installed & no matter how many times i try my passwords are not being synced. I have imported them from my last device but the only password that is showing is the mozilla firefox account. Please help as i am constantly having to change my passwords as the previous ones are not shown. Thanks

The email address box does not accept the email address and comes up with an error message. The only way to send an email is to use a different browser ie Google. Emails are still received as normal on Firefox / BT mail

Hello, For many years I have used Thunderbird, but since update to v148, I have recieved an "Authentication failure while connecting to server imap.aol.com" + "connection to server pop.gmail.com timed out". All the passwords, imap in & out settings are correct, the antivirus/firewall is not blocking. The AOL page pops up for access but does not accept the passwords. I have as of now lost all my emails. I appreciate the security improvements which, sadly, are necessary, but will there be an update to correct this soon.

I sent another help request on this subject but that too seems to have gone AWOL so I am trying again.

My passwords are being randomly wiped from my PC yet again but this time, although they are still on my Google Pixel 7 phone, Sync is not working for passwords. Strangely however, tabs are being synced.

I have tried every suggestion that I have found but syncing is just not happening.

To re-cap:- Passwords are not being synced from phone to PC Tabs are being synced between phone and PC.

Any suggestions?

Moderator note: This question has been edited to add a link to the previous question.

I have an email account and a web hosting with a reliable service. I have noticed that from time to time some of my thunderbird emails transfer automatically to my website and appear in the 'posts' pages as 'pending'. The site admin email is different from my email address so in theory this should not be happening any suggestions?

Earlier this week, I was able to view routes in the Routes section of Strava without any issues. Since the recent browser update, that feature is no longer working for me.

Strava is one of the websites I use most frequently, and being able to access routes is important to my daily use. I’ve confirmed that the feature still works in Safari, but I would strongly prefer to continue using my current browser.

I also went through Strava’s help chatbot, and they indicated the issue is likely browser-related. Since this was functioning earlier in the week and has since stopped, I wanted to report the problem and see if there’s a fix or workaround available.

Thank you for your help.

Help me find a way to pause when listening to a youtube lecture on firefox. The ones I prefer run for an hour or more. My laptop allows it but I can't find the way on the iPhone.

I am trying to set up Thunderbird on a new PC (my old PC died following a power outage). Trying to set up a New Account, I enter the email address I normally use. It asks me for a password. I have tried passwords I have just set up for Mozilla, Thunderbird, Virgin (three of them) and even Google. I am sick of seeing ‘Authentication error’ with not help offered. I never set up a password when I started using Thunderbird many years ago. I keep all my password. There is no option when a password is forgotten or for a new one to be set up. If you can’t or won’t assist, can you recommend a different email app. I have spend so long on this! Cheers, Ken Bailey

For laptop and mobile, All open tabs between all synced devices, are all just in a list right when you click on or press on Firefox.. also, just have all the devices current history listed under that..and, AND... Can I take it one step farther and have them listed on all the New tabs when I click the new tab cross? Basically making "Firefox View" the homepage for all devices, I was gonna just create a shortcut webut when I click on "FV" no link comes up... Also possibly a "copy and paste clipboard" option across devices. Thanks in advance for any time this could save me and others in the future... also, This question seems logical that's it's may been asked a hundred dozen times before already, but I did search my summary

I tried to transfer Thunderbird file from old computer to new computer but get "Profile cannot be loaded. It may be missing or inaccessable." when I start Thunderbird. The old TB file works on old computer and I am pretty sure I copied it and pasted it into the new location in place of the current Thunderbird file.

Why is the address bar now a search? This is annoying. How can I change this? I have already change about:config settings to false and nothing changes.

Thank you Rafal

Okay FIREFOX, update 2/29/2026

1) making complaints to this browser is a nightmare, you guys need to actually do something about making it easier to contact actual support.

2) Firstly, this latest UI update is literally a scam. If you're going to make such a change after years of the same UI being around, users should be well aware of that before the update rolls in.

Secondly, this menu UI should have been an opt-in/out service, NOT DEFAULT. Users should have the option to not use a feature that is actively hostile to a MOBILE experience. That means less button pushing required to speedily access saved content. The current way this menu pops up puts nonsense on top before the actually important parts, namely bookmarks access.

3) bookmarks (specifically CREATING BOOKMARKS). While normal bookmarks access looks the same, creating them is a monster in this app.

This newest iteration sucks, to put it frankly. Where before, the process was simply running down the list to choose the right folder (all those folders & subfolders were already extended), now it requires us to extend and extend and extend and extend. In what world did you guys think this was useful for a mobile phone? Mobile does not lend itself to multiple presses, that's by design.

You guys are making this app look more and more like desktop, and that's a bad design and worse feature for mobile experiences.

Please either update this UI to allow for the legacy design (opt-in/out), or change it back entirely. Right now this app is trudging downwards to an experience people do not want to use.

Attached are screenshots of the current 3dot menu drop-down and the creation/editing of bookmarks. Too much noise for what was actually useful design on the legacy UI.