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hi, if i sync 2 t/bird installs which one will install its personal data on the other pc?. the same question also applies to my f/fox install if anyone knows

win 10 tb145.02

thanks very much if anyone knows

Hello I got a pop up or it was new tab informing about new firefox functions. It was about profile creation and management. Now i have two profiles and cant switch back to my old one. I cant seem to be able to delete new profile to return to my old one.

I've been wanting to access Thunderbird's encryption ability on both my laptop and desktop. However, in setting up Tbird on my laptop I notice the user Profile should stay on one computer. Can I use the same Profile on more than one computer using the same source and password? Can I open a new profile on a second computer, even though I would have to use the same email source, a local provider? If not, is there an online source of email data I can use on Tbird on my laptop. Thanks much, Bruce Bartrug

This afternoon, I clicked on a link from an email and for the first time got a choose a profile pop-up. I do not want this; I have read info on Mozilla and elsewhere about its purpose but it doesn't say how to just stop the pop-up - there should be an option just stop the pop-up because I don;t want to have to choose amongst options. I have started copy-pasting the links in emails and going to Chrome and will seriously have to reconsider using Firefox of this continues. I don't want to have to type about:config or anything - this should have been an opt out or opt in thing and I want out. Thank you for your help.

When I do try to create, rename or delete a profile, I get the message, "An unexpected error has prevented your changes from being saved".

I have a new Windows 11 PC. I installed Firefox first from the Windows store and had problems adding a second profile. Now, I've downloaded the full installer and still have the problem after multiple uninstalls, deleting the appdata Firefox folder and re-installing. I've also tried to rename the FF folder after encountering the problem and just restarting FF. It seems to create a new folder with profiles, but I can't create or delete the profiles from the profile manager or from about:profiles.

I've also checked that the folders and profiles.ini are not in read-only. I've also tried to manually create profiles or create profiles using the command prompt. Nothing seems to work.

I am running macos 15.7.2.

Bought a faster external drive *named EXT3* and I copied my Firefox Profiles from EXT2 *previous External* to EXT3

I have added the location for the profile in /Users/username/Library/Application Support/Firefox/profiles.ini

So far so good, but when EXT2 is NOT mounted the profile won't start, but only when EXT2 is MOUNTED then the profile will start.

Also connectivity is broken then, with that I mean I can't open any sites, not even a local one.

When I look in About:profiles I see that the profile in EXT3 is active and in use.

Any idea what is going on?

Ps:

macos: 15.7.2 Firefox Version:140.5.0 ESR

I run the current version on a Dell Inspiron 15 3530 laptop using Windows 11 Pro. Today, I tried to open my profile file to back it up, but got the message attached below. I searched my computer and found the file in another location.Should I copy the file to the expected location or not?

As of yesterday morning, whenever I restart Firefox, it starts on a page that says WELCOME TO FIREFOX and nit with the tabs I had open when I last closed it, which is the norm since I started using the Firefox browser. Also, certain pages (facebook, x, nytimes, instagram, TikTok) are partially and slowly loading or not loading at all. And finally, all my saved passwords and logins have disappeared.