Firefox 社群討論區

after my laptop crashed (again did so over 100 times) but this time all history is gone, could not restore last session/s - can't log into my accounts (any) - can't set it to an earlier date (e.g. yesterday) to eliminate whatever the problem is (am not an IT expert, so I don't know how - just know that it is possible) - I have tried for 4 hours - no avail - I really need the status of 4-5 hours ago so I don't lose so much

Starting the Windows 11 laptop again. Then Firefox. Result: No sites are starting. All history lost, many tabs: lost. Great work!!! Last update was already shit (many exception rules have to be set manual again. I love such updates! Useless). And now that. I think I will switch now to chrome. Sorry. Such experience is enough. It is my time - I need a reliable browser, not where I have to spend time to get the things like they have been before

My browser updated to 149.0.2 on Windows 11 early April 2026. I first noticed the browser asking me to select a profile when trying to open hyperlinks from emails, but since I had not closed the browser since the update, I still had all of my information. When I went to restart, I was forced to make a new profile as no other ones were recognized. This also happened during an update at the end of 2025 and I was able to fix it with advise from support articles., Unfortunately, none of those fixes seem to be applicable anymore. Does anyone have a current fix? I have lost so much saved info!

Mozilla-Team,

I am / was such a huge fan of Mozilla. But now I lose my qualitity of being patient. This Update window coming up more and more. But there is no way to find - especially not an easy way. I need to make a new installation of the full programme. While doing this, I lost my full bookmarks. No chance to recover after five hours. I am really mad. Really mad.

I will leave Mozilla soon, if you dont tell me, how to use your browser without trouble.

Lennert

Tonight Firefox updated itself and when the routine finished the new default-release profile did not contain any of my data including bookmarks.

I tried to launch the profile default in a new browser but this was empty too.

can anyone help me locate my data and restore it in the new profile?

Ich habe die Passwortliste bei Einstellungen aufgerufen und die war leer und alle gespeicherten Passwörter waren weg. Ich habe sie aber nicht gelöscht. Wie kann ich die Liste mit den Passwörtern wieder wieder herstellen ?

My System Administrator upgraded my Macbook Pro laptop after upgrading from Sequoia to to Tahoe version 26.4. This was a JAMF migration. The reinstalled Firefox does not show my bookmarks, after logging in to Firefox with my username and password. I tried to restore bookmarks but it loaded only a few, from more than a decade ago.

UNBELIEVABLE, I've never had this much trouble with a previous update. Your AUTOMATIC update closed all web pages that were open last session, offers no option to restore previous session, and took me 2 hours just to get bookmarks back. I had way too many pages open, but I have lost some important research for work that was in process. Multiple support options didn't work until I found one that would for bookmarks, but the history seems to be unretrievable. Not how i wanted to spend my morning.

Firefox installed a new release and now all my bookmarks, add-ins etc are gone. I went to About:profiles, but I when I launch the other profile that is there it still show the new profile

I have been using the same firefox account for six years, and when the update that added user profiles came out, I successfully transferred all of my information to a profile. Well, today my firefox wasn't responding, so I used task manager to close it and restarted my computer. When I opened firefox again, it prompted me to select or create a profile to continue browsing. Crucially, it did not list the profile I had been using as an option, so I created a throwaway profile so look up what was going on and how to fix it. I tried logging into my mozilla account; no record of my previous browsing data, bookmarks, or extensions. I tried following the steps in the "Restore bookmarks, passwords and data from an old Firefox profile" article from Mozilla Support, but my old profile no longer appears in the profiles folder on my computer. I'm worried that if I keep messing around trying to restore my old data, I'll do some irreparable damage and never be able to get it back. Is there anything I can do in this situation?

While testing the new profiles option with Firefox after loading containers while having Surf-shark VPN on my computer stop accessing websites. The conflict was resolved by reloading surf shark and then while attempting to remove new profiles not being used I deleted the original homepage/profile. Over 10yrs of bookmarks, passwords, and numerous pieces of data have been lost. I need that original Firefox homepage user account for my computer restored.

Bonjour,

depuis le début de la semaine lorsque j'ouvre firefox mes marques pages de ma barre personnelle sont disparu et ne sont pas non plus dans l'historique de récupération. il faut que je "répare firefox" pour qu'ils reviennent. mais le problème revient. parfois plusieurs fois par jour. Je n'ai jamais rencontré ce problème auparavant. J'ai un message de firefox qui m'indique que firefox est ouvert ailleurs. mais je ne sai pas où. merci de bien vouloir m'indiquer ce que je dois faire

Ok, so I dont use my computer that much, but anyway. I get on it today and this "create a profile" pops up. once I get in to firefox Everything is gone, my history, passwords, bookmarks, addons.

WTF happened???????

UPDATE: efforts to fix this have revealed that it's likely the release of Profiles didn't cause this problem although I speculate there might have been an inadvertent time bomb in the release. I will open a different question searching doesn't turn up the fix. If I would delete this post if possible.

FF 148.0 was running on MacOS with my profile as a folder (e.g, trb618r9.default) under Firefox. When I looked in history it was empty so I restarted FF, none of my tabs were there, and TreeStyleTabs didn't display. Investigating I see a new folder named Profiles that has a profile in it with the trb618r9.default name but not all the data in the original trb618r9.default. I renamed the "new trb618r9.default" and moved the original trb618r9.default to Profiles and restarted FF but still am not seeing the original fxxx data which still exists.

Screenshot of finder before I renamed etc. as described above shows the two same named profiles.

How can I recover?

Listen I have a profile in another partition in Mint and want to transfer my Bookmarks/profile etc to my new 22.3 install but far too complicated. I also have a previous Key which I no longer wish to use as it has deleted all 20 years worth of messages. Please please please just set up my profile again oFirefox or then revert by to the one from 2025 Mint 21.3 Thomas McM Rbold textamos de Deus