Firefox Community Forum

I had around 3000 tabs open I closed the browser completely today. Normally when I reopen firefox all those tabs were appearing still. This time none of the tabs restored I can see tabs in history part namede 19.01.2026 although not all my tabs are there. When ever I try to reload them from the restore history part; firefox doesnt reply and doesnt take the command.

FF 145.0.2 (64 bit) canonical-002 - 1.0 running on Kubuntu 25.10 has suddenly started locking up completely after a minute or so with an "unresponsive". As I have just put in the crash reporter: "I haven't had problems with FF before but just possible that this relates to my growing problems with Thunderbird see https://support.mozilla.org/en-US/questions/1551791. I putting a question in Mozill Support about trying to keep my tabs and perhaps groups before doing a complete reinstall." So my questions here are:

• I am planning to to a complete clean reinstallation from snap but is there a better (more stable) installation?
• either snap specific or generically: is there a way I can find the open tab list from the debris of this snap installation (and perhaps the groups but that's less important)?

TIA,

Chris

After the latest auto update all of my history, tabs/windows, and bookmarks were deleted and I can't recover them. I have tried importing bookmarks and it does not allow me to upload an old data file and I can't restore my previous session. I tried checking both profiles but neither had my information saved and now when I open the about:profiles says "Another copy of Firefox has made changes to profiles. You must restart Firefox before making more changes."

I'm scared to try anything else because I don't want to mess anything up further but I really need my tabs and history back.

I restarted my computer and then reopened firefox and it had updated and I noticed my bookmarks were gone but my windows/tabs were open, so I tried to choose a file on the bookmark backup and nothing was happening so I restarted and after that all my history and tabs were gone and I couldn't restore them.

Mozzila не открывает предыдущую сессию, соответствующая галочка в настройках стоит. Я пробовал разные способы, указанные в часто задаваемых вопросах. В том числе с подменой данных в папке sessionstore-backups: запускал браузер - находил эту папку - вставлял нужный файл .jsonlz4 - перезапускал браузер. В таком случае все мои вкладке были на месте НО после закрытия-открытия браузера сессия снова сбрасывается. При очистке браузера, появлялась кнопка "восстановить предыдущие вкладки", восстановление происходило, НО закрыл-открыл браузер - и снова пусто. Пробовал удалить браузер и установить снова - та же проблема. После запуска, если открыть журнал - в разделе недавно закрытые вкладки, недавняя история поиска - пусто, как будто предыдущей сессии вообще не было. Как исправить эту проблему? Примечание - мои закладки, введённые пароли и расширения на месте.

I thought I was just upgrading my Mozilla/Firefox account account and now everything I had is gone. I had an automatic taskbar that went to most of my frequently used services like my bank, yahoo mail, etc. Now I have stupid stuff that I never use. Makes me want to switch to something else.

All of my bookmarks have been disappeared with a new automatic update (9/22) and now I'm left with no bookmarks at all. My other devices were not synced because my work computer needed different links saved. Any easy options for recovery? The bookmark management tool shows no options to import bookmarks and clicking any of the restore or import options does literally nothing. This is a huge issue for work flow and is putting me out of schedule. Why would an update remove ALL bookmarks? Seems like a serious over look in function.

This keeps happening and is getting worse every day.

Firefox is refusing to load tabs sometimes every few hours but recently every few minutes so I have to shut it down and restart it, sometimes when I do I lose all my pinned and non pinned tabs, I can't remember what they are so manually restoring them doesn't work.

There should be a way to backup all tabs so they can be restored when this happens.

FIX IT FFS.

OS: Linux Mint Latest update of Firefox