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Hello all,

I recently (2 days ago) discovered that my Firefox was broken immediately following a Windows 11 update (2026-01 Preview Update (KB5074105) (26200.7705), in case this means anything to anyone). I first noticed my bookmarks and browsing history were gone (which I noticed a lot of people have already been complaining about recently). I want to start off by EXPLICITLY saying I have tried restarting Firefox, my computer, and following the instructions from the most commonly linked solutions (1 1, 2 2 , 3 3). None of it has many any difference to speak of. Now, onto the diagnosis.

My history is still not being remember or updated. Furthermore, the history management tool (the one that opens up on Ctrl + Shift + O) is completely non-functional. Clicking any button in there does nothing. I have tried to go "Import and Backup -> Restore -> Choose a File", especially because I managed to locate the .jsonlz4 backup files for my bookmarks in the root folder of my (one and only) profile. The history manager does not allow me to open a file, in fact clicking "Choose a File" does not even open a file selection menu. Clicking "Backup" does nothing, clicking "Import Bookmarks from HTML" does nothing. "Views" is also completely empty (which I assume makes sense, given there is no browsing history to speak of).

My only guess is my profile ended up broken somehow? I would guess the Windows update had something to do with it, but the fact that the history is still not being saved 2 days later confuses me greatly. Any help would be much appreciated, thank you in advance.

Hello

When I restarted my Windows 10 computer, the activity bar and all my history disappeared.

It was working perfectly this morning.

Any ideas?

This is the second computer in the last two weeks that has done this to me.

Best regards,

Jacques Viallet

My firefox is not recalling the history as I move through tabs. It doesn't appear in the sidebar or in the documented history. This only has happened recently, and it's still recognizing my bookmarks. I've done some troubleshooting, tried relaunching in the mode while switching through tabs, but it's still not recalling. Any help is appreciated.

Hi,

From time to time I can’t clear my Firefox history. I try from the menu, then within the settings, to no avail. I restarted Firebox and even my Mac, and the history remains. I used CleanMyMac to empty the cache and the history is still there.

My Firefox: 147.0.2 (64-bit) My Mac: Sonoma 14.8.3 (23J220)

Thank you for your help.

I noticed that in the last few months (maybe longer) the windows which were open before Firefox was shut down no longer open up in the same order after Firefox is restarted and 'History > Restore previous session' is selected (I want me to decide whether windows and tabs are re-opened after a Firefox restart, so I don't know if the same problem happens when the setting "Open previous windows and tabs" is selected).

This has been a problem a long(er) time ago, then it worked fine again, and now it happens again.

This might not seam like a big problem but I open new Firefox windows for each 'topic' I want to browse plus the first couple of windows are 'dedicated' to specific things.

But when the windows are 'out of the correct order' I can't just find things the (for me) usual place or windows opened for specific topics- and that is quite annoying. That is the background for this post.

I'm using Windows 11 version 25H2, and my Firefox is up to date (147.0.2)

I hope there are some Mozilla employees working with Firefox in this community (as they have the most 'inside knowledge', but I would of course very much also hear about experiences and ideas regarding this from other Firefox users :-)

I just want good in browse . But bad is like dirty movie or video we want delete this after I use good browse I hope u understand what I mean to use good browse or bad any of this bad automatically to delete this please always remember this thank u

Impossible de supprimer l'historique depuis quelques jours, que ce soit dans l'onglet historique ou dans les paramètres. Quelle solution pouvez vous nous transmettre. Merci d'avance

On closing down firefox. My browsing history still remains.I have all the boxes ticked that need to be ticked to perform this.Settings also are all ticked and saved. it was all working fine 2 days ago. came back ontoday and stopped working. can any one help. Also my firefox icon/tile/shortcut in my taskbar has changed from firefox icon to being a white folder with top right coner folded over.Anyone have any ideas whats going on.

Moderator note: This question has been edited to remove an unintended link.

I cannot find a date associated with the history entry, I can search and the site link is shown but not date. I can sort by date but no dates are shown. Where is the date I visited the site?

Since the latest update on 16/01, my search bar history has just not functioned at all.

Remember history is still ticked, however there is no autofill, and no sites are populating in shortcuts unless i add them manually. Basically history is not saving as it should.

I've checked all my settings but there doesn't seem to be anything amiss.

I can delete history entries in a date range from today, 1/16/26, back to 1/10/26, but not 1/09/26 or before. Is it intended that earlier history is to be not deletable?

Windows 10 Firefox 147

Wilbur Young wilyoung@olypen.com

I've tried saving in an active private window, but no success. Testing in Firefox private window local programing errors. Clean-slate avoid past incorrect memory errors.