Firefox 社群討論區

Just found that using Iolo System Mechanic to clean up my desktop is constantly causing the loss of my bookmarks and possibly my passwords. I have tried to specify which file(s) to ignore in System Mechanic to avoid this issue, but it is not allowing me to specify the files in my Appdata folders that I suspect it is clobbering. Has anyone been successful with this? I am getting tired of restoring my bookmark files every time I use the program. My wife's computer is having the same issue, and even worse in that she has also had her entire bookmark backup files wiped clean, which required her to re-enter all of her bookmarks manually. The folks at Iolo want me to pay for support before I can get any help from them.

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

I normally have 4 windows open, each with multiple tabs, for 4 work streams.

Whenever Firefox or MS decides to do an update, one window sometimes, 4 rarely, none usually, are recovered after restart. How can I ensure that Firefox remembers all the windows and their tabs before shutting down? Then reinstates them after starting up. After the last MS update, the option "Recently closed windows" was greyed out. But there had been 4 of them.

Firefox's recovery after simply rebooting the computer is more, but not completely, reliable. Win11 on a desktop computer

Thank you

I just lost my bookmarks again, it happened a month or so ago as well. Appears to have been due to updates.

I have already followed the recommended ideas of navigating to restore, but there is no date given to restore to.

Just "choose a file comes" up, and that appears to lead nowhere.

I also went about:profiles , and all that was there was the current "cannot be deleted " profile and the option to make a new one, I tried that, it did not restore bookmarks. I need some of tose bookmarks quite badly this time

What more can I do ?

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!

I tried a restore but the only date available for bookmarks was today (jsonlz4 file). I tried other online suggestions but I cannot locate any old files to restore from. If I cannot get them back, I will switch browsers because the loss is unacceptable.

Whit the new things of the profiles or something I just didn't like it so I just delete the thigs that appear in my face, but that deleted all my stuff(hystory, bookmarks, passwords), I supossley had all on my account on mozilla but it's not there, i don't know what to do, I already try the backup or something that appear in the support page but the only profile that is older than the rest doesn't work or is empty, pls I need help

Why my mozilla account didn't save my bookmark correctly, I just upgrade my windows to Windows 11, before I install my OS, I already syinced my Mozilla Account and all its data include bookmark toolbar. But, when I try to login and resync all my old data, its all gone, how to solve this issue?

My Macbook wasn't responding, so I restarted it and force quit all applications. When I opened Firefox again, none of my bookmarks showed on my bookmarks bar. The bar itself is not hidden. I checked to make sure I have the same profile I always use open and I do. I also tried to go into Bookmarks, Manage Bookmarks, Import, but nothing is available to import.