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Crash > Tabs vanished > Could not re-open via "Recently Closed Windows"

I had 1600 tabs open (foolish, I know, but 16GB RAM and have had no problem with it in the past) when the app suddenly stopped responding. Restarted the app, all tabs wer… (читать ещё)

I had 1600 tabs open (foolish, I know, but 16GB RAM and have had no problem with it in the past) when the app suddenly stopped responding.

Restarted the app, all tabs were gone, replaced by my starting page. Very strange, as I have the setting to re-open previous tabs per default. Attempted to open via "recently closed windows", saw all of the tabs, but the content never loaded in - I was able to resize the window, but could not add new tabs or close existing ones with either mouse input or keyboard shortcuts.

The app became unresponsive again. Restarted the app, did the same thing, had the same issue. This time, it caused the entire computer to become unresponsive. When I started the computer again, opened FF, it was on the start page, and the option of "recently closed windows" was suddenly greyed out.

Following the online guides, it takes me to C:\Users\Username\AppData\Roaming\Mozilla\Firefox\Profiles but there are very few json files in there and only from a few minutes ago. There is nothing in there from before the crashes

There are no Windows previous versions to restore from

1. Is there any way to recover the tabs that I have missed? 2. Why is information about tabs not stored in a non-replacing way locally? 3. Why is information about tabs not stored on the account in a better way? I am far from the only person who uses tabs as a form of storage, even if it is not optimal

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Help is needed to “Restore prior sessions” before 11:00 PM on 11/08/26 if at all possible?

Hoping to restore Firefox with tabs that existed yesterday evening in two separate windows but were inadvertently lost due to mishitting “Restore prior sessions” and then… (читать ещё)

Hoping to restore Firefox with tabs that existed yesterday evening in two separate windows but were inadvertently lost due to mishitting “Restore prior sessions” and then compounding it by thinking recent tabs were being retrieved but were replaced with older unneeded tabs instead. Submitted again to correct retrieval from incorrect (today) to yesterday 11/8/26 (correct)

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Help is needed to “Restore prior sessions” before 11:00 PM on 11/09/26 if at all possible?

Hoping to restore Firefox with tabs that existed yesterday evening in two separate windows but were inadvertently lost due to mishitting “Restore prior sessions” and then… (читать ещё)

Hoping to restore Firefox with tabs that existed yesterday evening in two separate windows but were inadvertently lost due to mishitting “Restore prior sessions” and then compounding it by thinking recent tabs were being retrieved but were replaced with older unneeded tabs instead.

Решён 2

Deleted passwords to bookmarks

My bookmarks and passwords have again been deleted. I can restore the bookmarks but not the passwords. Why is this happening over and over again? Really getting tired of… (читать ещё)

My bookmarks and passwords have again been deleted. I can restore the bookmarks but not the passwords. Why is this happening over and over again? Really getting tired of this happening.

Открытый 3 1

Could maintenance or security software like System Mechanic cause me to frequently lose my passwords and bookmarks?

On a relatively new laptop (bought because my old one cant upgrade to Win11) I frequently lose my Firefox passwords and bookmarks. I reinstate them from saved files, but … (читать ещё)

On a relatively new laptop (bought because my old one cant upgrade to Win11) I frequently lose my Firefox passwords and bookmarks. I reinstate them from saved files, but it is inconvenient and shouldn't happen (at least one a week). I am beginning to wonder if periodic clean up (in the background) by Iolo's system mechanic may be causing it. Has this been flagged up by anyone?

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the address on all of my bookmarks has been changed to the 1 same bookmark location I last used.??????

the address on all of my bookmarks has been changed to the 1 same bookmark location I last used.?????? How do I get back all of my bookmarks back with the correct locati… (читать ещё)

the address on all of my bookmarks has been changed to the 1 same bookmark location I last used.?????? How do I get back all of my bookmarks back with the correct location without retyping each one individually????

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What happened to my firefox?

Firefox suddenly became an entirely different browser without me doing anything. It wasn't loading any web pages so I restarted it and it was completely different, and no… (читать ещё)

Firefox suddenly became an entirely different browser without me doing anything. It wasn't loading any web pages so I restarted it and it was completely different, and not for the better. All my bookmarks are gone. What the hell did you do?

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Firefox update messed up all my bookmarks and settings.

My bookmarks and settings are so messed up. I am frustrated as I am working on a project, and the browser no longer has the functionality it had before. I am considerin… (читать ещё)

My bookmarks and settings are so messed up. I am frustrated as I am working on a project, and the browser no longer has the functionality it had before. I am considering switching to another browser in the next couple of days unless it is repaired.

Открытый 2 10

My Firefox disappeared from my computer overnight with all my bookmarks and pictures, have to re-download?

This is the 2nd time in a month that I got up to go online and Firefox was gone, disappeared. Had to re-download and start over from scratch, no saved bookmarks or pictu… (читать ещё)

This is the 2nd time in a month that I got up to go online and Firefox was gone, disappeared. Had to re-download and start over from scratch, no saved bookmarks or pictures, all gone. What is going on, and how to restore my original Firefox with all my info? Is it possible now that I have downloaded yet again Firefox 11? I supposedly imported fro google account, yet everything is gone? What should i do? Thx

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