Showing questions for topic:
Showing questions tagged:

Session corruption?

I have a profile that causes odd behavior, within the profile, and to the OS. Regarding the profile itself: 1. I use Multiple Tab Handler, which should allow me to mo… (read more)

I have a profile that causes odd behavior, within the profile, and to the OS.

Regarding the profile itself:

1. I use Multiple Tab Handler, which should allow me to move tabs on the tab bar with the mouse, but it does not (see image of proper behavior)

2. Normally, i can drag this padlock button to the desktop to create a shortcut. but now, it will not move/drag (see image 2)

3. I also have a backup profile from several months ago that has none of the above symptoms. However, If I substitute it's sessionstore.jsonlz4 file with the the one from the problematic profile, all the bad behavior mentioned above re-emerges.

I know this sounds strange, but, I also get external display issues when using the broken profile. These events are random, and manifest themselves differently, so I can't duplicate them. Essentially, these snips are examples of images from the taskbar tabs, or the clock area, suddenly superimposing themselves on the top portions of the taskbar toolbar area.

This is the view of my clock area (see next image 3)

In the following image, imagine that the portion on the left, that opens the start menu, is now hidden under what looks exactly like the clock area on the right, superimposed over it (see next image 4)

Those aberrations are removed by simply moving the mouse cursor over them, but they will continue to occur in any number of variations over any area of that top toolbar.

Is there a Session Manager that will save the session, to be later restored into that previous profile, but not also pass along the corruption?

Archived 20 82

Saved tab groups disappeared

Hello, I'm writing because I’ve encountered an issue with the tab groups feature in Firefox. Some time ago, after a browser update, I noticed a new feature that allowed m… (read more)

Hello,

I'm writing because I’ve encountered an issue with the tab groups feature in Firefox.

Some time ago, after a browser update, I noticed a new feature that allowed me to group tabs thematically — I could name each group (e.g., "Study", "Work"), choose a color for it, and save and close groups to reopen them later. I found it very useful and used it a lot.

Last night, I decided to declutter my browser and closed several tab groups using the built-in menu. A bit later, I shut down my computer, but perhaps too quickly. This morning, when I turned my computer back on, Firefox was very slow to start. After a restart, everything seemed to work fine again, and the open tabs were restored.

However, all my previously saved (but temporarily closed) tab groups disappeared. In the tab group menu, I can now only see the ones currently open. I’ve searched through all the settings and history but cannot find any way to restore the missing groups.

Is there any way to recover the tab groups that I had previously saved and closed?

Thank you very much in advance!

Archived 14 737

Deletion bookmarks and passwords

I was asked to create a new profile in order to keep using Firefox, despite never having an account. After I clicked okay, it opened the new version of Firefox, but witho… (read more)

I was asked to create a new profile in order to keep using Firefox, despite never having an account. After I clicked okay, it opened the new version of Firefox, but without all the passwords, bookmarks and history of the past few years. This is really inconvenient. I have since then made an account, but the fact that I can't find any of this data anywhere has me worried that every time I update Firefox it will wipe my account.

Archived 6 277

session backups inadequate

I keep a lot of tabs open (~60) in any particular session - I find it's faster in this way to get back to a site. About every six months or so, I lose *all* these tabs be… (read more)

I keep a lot of tabs open (~60) in any particular session - I find it's faster in this way to get back to a site.

About every six months or so, I lose *all* these tabs because of Firefox's inadequate session backup system. It only saves two or three total backups, some of which are completely out of date. But the worst scenario is when (1) some site pops up a new window; (2) I mistakenly close my main window before the new window; (3) I open this new saved window once or twice by accident, causing my 60-tab session backup to be overwritten.

Using a third-party session manager (I have tried all the well-known ones) can mitigate this problem, but doesn't really solve it because the re-opened sessions aren't quite in the same format as Firefox sessions and so lose information. In particular, I often lose each tab's icon as well as metadata for Tree Style Tab.

Could Mozilla please consider a more robust session backup system for Firefox? All it would take (I think) is to allow the user to choose the total number of backup sessions and the frequency at which a new session is added. Thank you!

Archived 6 378

Firefox Issues After Update

I don't know what you're doing but EVERYTIME I do an update lately, something goes wrong. Today after update, my STGs are affected and ALL ARE GONE. I do NOT believe th… (read more)

I don't know what you're doing but EVERYTIME I do an update lately, something goes wrong. Today after update, my STGs are affected and ALL ARE GONE. I do NOT believe this is their fault. And you put this dang auto Startpage when launching window, I did NOT ask for that. I am so pissed, how do I get them all back? I had things I was working on that were very important. What else did you add to FF that I don't know about? I don't want your updates anymore. You screwed me big time. And I don't want the extensions YOU think I should have: Google, eBay, Bing, etc. wasting my space. I'm not the only one either, seen lots of complaints.

HOW DO I GET THOSE TABS BACK??????

Archived 6 138

all bookmarks are missing after mozilla firefox update

After Firefox requested to be updated, I lost all of my bookmarks. I tried to go in and "restore" them but there are no backups to restore from. How do I get my bookmar… (read more)

After Firefox requested to be updated, I lost all of my bookmarks. I tried to go in and "restore" them but there are no backups to restore from. How do I get my bookmarks back?

Archived 6 412

Where are my tags ?!

I recently installed Firefox for security reasons, but I now realize it might be not better than other browsers... I had a (good) number of tabs opened in 12 Simple Tab … (read more)

I recently installed Firefox for security reasons, but I now realize it might be not better than other browsers... I had a (good) number of tabs opened in 12 Simple Tab Groups, which were opening all right everytime I restarted my computer. But today, Firefox opened and oh, all my tabs have disappeared ! All 12 Simple Tab Groups are empty. In the Recently Closed Tabs in History, I only could find and reopen 26 tabs - a very small part of the tabs I had... Please, tell me if there is a solution to recover all my tabs. Is the problem with Firefox or with the Simple Tab extension?

Archived 5 228

Firefox updated on its own and all my data...bookmarks...etc are GONE! WTF????.

I quit Firefox and when I restarted it it said it was a new version! It said something about restoring but I assumed it was just restoring my prior pages! DAMN! I can't … (read more)

I quit Firefox and when I restarted it it said it was a new version! It said something about restoring but I assumed it was just restoring my prior pages! DAMN! I can't even find a place to import bookmarks!

I am so angry I could chew nails!

iMac 2013 Catalina 10.16.7

Archived 4 83

lost bookmarks, settings etc after update

firefox updated to 128 esr all of a sudden (i didn't click update or download for this) and when i went to open firefox, the appearance and everything changed. it looked … (read more)

firefox updated to 128 esr all of a sudden (i didn't click update or download for this) and when i went to open firefox, the appearance and everything changed. it looked like google chrome and none of my bookmarks and settings and layouts were there. they just DISAPPEARED. i tried googling how to to fix this and for some reason every time i search it takes me to another search engine instead of google. (this is beside the main point though). I'm so frustrated right now since all my bookmarks are gone (literally having a breakdown). I tried looking through the help articles and all of them just say to use the backup profiles or that there are bookmarkbackup files in my profile folders or that firefox would download a folder with files from the old version but none of that happened. I looked into my folders for older profiles trying to find places.sqlite files but NOTHING. there is literally NO backups or profiles dated to before July 16 2025; the day it updated (shown in screenshot) and there is NO bookmarkbackup files anywhere. i have signed in to firefox prior and had my devices synced for awhile and no issues so there should have been previous profiles and data saved onto my computer. Please help, I really need my bookmarks back!

Archived 4 101

I have lost all my saved sites and passwords even from Sync

I was able to use it this morning from my macbook. But the afternoon I was on sites where my passwords usually fill but now everything is empty, everything had been delet… (read more)

I was able to use it this morning from my macbook. But the afternoon I was on sites where my passwords usually fill but now everything is empty, everything had been deleted. I tried to log out and back in to mozilla and sync, but everything is gone. Over 100 sites and passwords. How this happened ? Where can i ask for help since Mozilla doesn't offer any.

Archived 4 73

Lost all my tabs after closing FF when having a private window open

Hello, I just closed FF (latest version) and opened it again and all my tabs are gone. I had a private FF window open, so I am guessing this is the cause. Is there a way … (read more)

Hello,

I just closed FF (latest version) and opened it again and all my tabs are gone. I had a private FF window open, so I am guessing this is the cause.

Is there a way to get get them back?

/

Thanks

Archived 3 55

Bookmarks missing

I reinstalled windows on my pc after syncing all my browser data (bookmarks etc) everything but some bookmarks, i have 4 folders and 2 of them had all that was in there a… (read more)

I reinstalled windows on my pc after syncing all my browser data (bookmarks etc) everything but some bookmarks, i have 4 folders and 2 of them had all that was in there and the other 2 where empty is it possible to get them back somehow?

Archived 3 118

restore tabs does not work

Firefox crashed and I cannot recover my tabs from history. I click on restore all tabs and it does nothing. The tabs I was hoping to recover do not even appear in my hist… (read more)

Firefox crashed and I cannot recover my tabs from history. I click on restore all tabs and it does nothing. The tabs I was hoping to recover do not even appear in my history either.

Archived 3 378

bookmarks

100% of my bookmarks have disappeared. I tried backing up to older version a month ago and still no bookmarks were found. I had over 2000 bookmarks. any suggestions?? Ma… (read more)

100% of my bookmarks have disappeared. I tried backing up to older version a month ago and still no bookmarks were found. I had over 2000 bookmarks. any suggestions?? Marty

Solved Archived 2 36

Lost all my bookmarks, history and favs after Mozilla update

Hey, So I just updated my Mozilla with the latest update and after I restarted my laptop all my bookmarks, history and favourites are gone. I didn't do any backups manual… (read more)

Hey, So I just updated my Mozilla with the latest update and after I restarted my laptop all my bookmarks, history and favourites are gone. I didn't do any backups manually. It's few hundred important work-related links lost. What actually happened? Can I get them back? Please help.

Archived 2 174

Take my existing Firefox browser to a new OS

I'm an older pensioner, I've no wish to learn more tech stuff which is unconnected with my question. For years I've been concerned at the invasive nature of Microsoft pro… (read more)

I'm an older pensioner, I've no wish to learn more tech stuff which is unconnected with my question. For years I've been concerned at the invasive nature of Microsoft products and so want to get rid of Win10/11 and install another OS. (I have hundreds of documents in Wordpad (.rtf) and MS are just cancelling it!) It'll probably be Linux based. So, simply I want to take my existing Firefox browser with passwords etc., to my new OS. I asked this question in Firefox and it seems Mozilla can't get over the fact that I don't want change my iOS browser to a synched up Firefox. I don't want my phone connected to my pc. Perhaps that is difficult for today's tech whizz-kids to understand but I can't help that. I'm not really technical but have had Firefox for nearly 30 years, so can anyone tell me if it's possible to copy my Firefox into a folder somewhere perhaps, and reconstitute it to work with my new OS? It certainly used to be possible. Thanks.

Archived 2 81

Missing/deleted bookmarks

I did my monthly Norton 360 system scans and updates last night, and maybe it is coincidence, but all of my Firefox bookmarks are now missing, and there is no browsing Hi… (read more)

I did my monthly Norton 360 system scans and updates last night, and maybe it is coincidence, but all of my Firefox bookmarks are now missing, and there is no browsing History showing. I have tried the import/restore steps but each date I try to restore from I get an error message - "Unable to process the backup file".

Archived 2 210