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I have set Firefox to not automatically restore the previous session on launch. That is, "Open previous windows and tabs" is unchecked in the Startupsettings.

Most of the time it does not do so, however the previous session will get erroneously auto-restored in the folowing circumstances.

Open a few tabs in a normal Firefox window. Fully quit Firefox (via, for example, pressing ctrl+shift+Q). Open a private window first. Open a normal window second.

What should happen is that the new normal window contains just a single new tab. What actually happens is that the tabs that were open in the previous session get auto-restored in this normal window.

To sum up, there is no auto-session restore if Firefox is launched with a normal window first. There is auto-session restore if Firefox is launched with a private window first, and then a normal window is opened second.

Is this a known issue, and are there any known fixes to prevent the auto-session restore in the latter case also?

Hello,

I experience constant tab crashes a couple of days now. I tried safe-mode and re-installing the browser. But the crashes still persists. This only happens with firefox.

Been trying to identify the problem. Here are some crash reports. All of them have the signature (unloaded T_Prevent64.dll)

Submitted Crash Reports Report ID Date Submitted bp-53c88a80-cb16-40d1-947d-197540240726 7/27/2024, 12:41 AM View bp-9c66625e-4a15-4d98-91c4-9ad8d0240726 7/27/2024, 12:41 AM View bp-e47e93d4-24f7-4ef7-9ee5-338e60240726 7/27/2024, 12:30 AM View bp-13afc8a2-be56-47ac-9ac7-76a090240726 7/27/2024, 12:30 AM View bp-9815e4b1-8134-4743-9dd9-8b2090240726 7/27/2024, 12:30 AM View bp-6097b5c4-fc4f-484f-856e-4af2b0240726 7/27/2024, 12:30 AM View bp-a7f77e4d-a97b-40ea-8234-c663c0240726 7/27/2024, 12:30 AM View bp-bfbf3809-eb66-4b19-a974-5afdc0240726 7/27/2024, 12:30 AM View bp-00f1270c-905b-4dba-852d-f435d0240726 7/27/2024, 12:30 AM View bp-046a789e-ed76-4800-8191-7caff0240726 7/27/2024, 12:30 AM View bp-d1b42aac-50f7-4605-8529-7b54b0240726 7/27/2024, 12:30 AM View bp-0f235aff-8ab6-4452-860d-051890240726 7/27/2024, 12:30 AM View bp-4aa4474f-594e-442f-b128-a90150240726 7/27/2024, 12:30 AM View bp-3cff0004-374e-42d1-b218-4955c0240726 7/27/2024, 12:30 AM View bp-59fbf0b7-6233-4f17-9e8e-bac590240726 7/27/2024, 12:30 AM View bp-ad0de436-d27c-467f-ba67-dc1920240726 7/27/2024, 12:30 AM View bp-563f7fe1-fd7a-4421-8a43-c52dd0240726 7/27/2024, 12:30 AM View bp-db02aaa2-aa75-473e-9e35-fd9fd0240726 7/27/2024, 12:30 AM View bp-e592c09f-7e55-4218-9b15-233a70240726 7/27/2024, 12:30 AM View bp-ffd6a3c8-d728-4582-9757-9cecd0240726 7/27/2024, 12:30 AM View bp-6c29b49f-f322-4370-aad9-1b2ab0240726 7/27/2024, 12:30 AM View bp-aa98e6dd-bc36-4483-bdd9-b055d0240726 7/27/2024, 12:30 AM View bp-0ca93951-168d-456d-ab9e-8b7ea0240726 7/27/2024, 12:30 AM View bp-59503df9-c479-477f-b5e9-711560240726 7/27/2024, 12:30 AM View bp-c1fe89fd-3453-494a-9393-fb9ca0240726 7/27/2024, 12:30 AM View bp-823c313d-b61c-4765-ae03-26b990240726 7/27/2024, 12:30 AM View bp-d98a0d3e-9771-420e-8926-bebfa0240726 7/27/2024, 12:30 AM View bp-28344e31-eec2-457e-bdfa-dec460240726 7/27/2024, 12:30 AM View bp-0ec8d55c-f85b-4285-857c-346980240726 7/27/2024, 12:30 AM View bp-e065338b-1c98-45ab-86e1-8bbd00240726 7/27/2024, 12:30 AM View bp-4e5ba615-3909-43e0-a753-1b5520240726 7/27/2024, 12:30 AM View bp-a3c4b47b-0c18-4b57-8891-d87740240726 7/27/2024, 12:30 AM View bp-d2cd41a4-0d99-48fb-9c03-eef450240726 7/27/2024, 12:30 AM View bp-678cde97-5d99-46e7-85cd-4a1470240726 7/27/2024, 12:30 AM View bp-aa7cfca5-3347-4da6-8bfd-eb25e0240726 7/27/2024, 12:30 AM View bp-d583ec50-2340-4d00-b2c8-9893a0240726 7/27/2024, 12:30 AM View bp-0ab52e60-ece8-4813-a88c-996140240726 7/27/2024, 12:30 AM View bp-6218d412-d4f5-4029-a576-818940240726 7/27/2024, 12:30 AM View bp-89b4ca44-d0f4-4c9c-863f-01fab0240726 7/27/2024, 12:30 AM View bp-58f79dd0-dc63-460c-ac2e-6b9530240726 7/27/2024, 12:30 AM View bp-39f7438c-8d02-4458-9e5f-66c150240726 7/27/2024, 12:30 AM View bp-9af0b7a8-2bef-4397-b9d8-a85260240726 7/27/2024, 12:30 AM View

I am using a windows 10x64bit desktop and I want to find a 32 bit version of Firefox for my laptop which uses Windows 7 x32bit. I have tried the download for customising, ie set it for Win7/8 but the version which is downloaded reflects on the laptop that that version can only be used on a Win 10 computer. Please give me a link where I can find the 32 bit version of Firefox meant for Win 7. THANK YOU.

This started a week or two ago intermittantly on some websites. Today I cannot see any images of amazon items in the shopping cart. I can see the thumbnails in the right side bar, and if I click on an item, the image appears on its for sale page. Ebay usually shows the first image, but the rest won't load, unless I click on "unable to load images" and then they might. Or if I use the icon to put the images in their own box, I can < and > to navigate them

Turned the new "secure DNS" feature off & on, no difference. Turned off NoScript, no difference.

Started receiving pop ups stating virus attack from Mozilla and via cq5g6mojubcc7385jauo.deviceconnectnetwork from Mozilla showing McAffee, Critical Virus Alert, Virus attack. Receive 3 at time and I can't see the right side of my scree and I need to. Is this malware and if so how do I remove it fast? Thank you.

Dear all,

For some time now my Firefox browser is crashing while I use it. Then a loop starts where a window appear with buttons offering to Restart or Close Firefox but whichever I choose it takes several sets of open/crash to stabilize when in the end if offers to either open it again, or refresh Firefox. I don't wan to refresh because I have tens of tabs that I want to save. But I can't because OneTab, along with all other extensions, is being disabled after the restarts.

I have a crash ID of one of the latest occurrences of this phenomena: f6ef62ad-b072-46b8-8bc8-0d3ca0240708

Please advise!

Today I started getting repeated notifications, every 5 to 10 min or so, that my McAfee subscription has expired, my credit card has been rejected, and that my computer is infected. I do not use McAfee, either in Firefox or on my computer. I use the security suite that comes with Windows. I cannot stop these messages from appearing, and disabling notifications from McAfee in the messages does no good, the notifications just keep coming. HOW DO I MAKE THEM GO AWAY? They must be SPAM because I've never had a McAfee product on this machine, EVER. Thank you so much for the help, Dave Templeton

Hi firefox community,

I am using Firefox version 127.0.2 as my main browser on MacOS Sonoma 14.5. For the past few months, when using Firefox in Mac's full-screen mode, I've been experiencing an issue where one of the multiple open tabs unexpectedly displays in a separate window the moment I click on it.

This behavior didn't occur previously, and I believe it started happening about 3 months ago. It doesn't happen every time, but occurs a few times a day when I least expect it, making it difficult to identify the specific conditions that trigger it. I use a Magic Trackpad, and after switching to full-screen using the three-finger gesture, the moment I try to activate a specific tab, that tab alone displays as a separate window in full-screen mode.

Is it possible that a Firefox version update has changed this behavior? If this is a Firefox issue, is there a way to capture debug logs to have the developers investigate it?

Alternatively, if there's an option to prevent tabs from opening in new separate windows, that would be an effective workaround. Could you please let me know if such an option exists?

Best regards,

Since the penultimate and now the last current update to version 127.0.2 (64Bit), the button (tile with the + sign) to add new shortcuts is no longer available. How can new shortcuts be added now?

Some shades of white have a purple tinge to them. The amazon logo, certain themes, and other websites are slightly purple. This is only an issue in firefox, not any other program or browser.

Hi there! After a short elektricity blackout my PC was rebooted and I lost functionality of shortcuts on Mozilla default home page, turning on or off this shortcuts leads nowhere and just move search bar.

Latest update (127.0.2) erased all my data. Gone are my bookmarks, passwords, sign-in shortcuts, history, etc. and I'm trying not to panic. Most of my passwords are backed up but my bookmarks are gone as is all my sign-in shortcuts, etc.

I always try to keep updated and never have had a problem with anything other than having to relearn a few new things; but this is a first for me.

As of a few days ago whenever I start Firefox the window appears with the Bookmarks sidebar panel already opened. I click the "X" on the sidebar and it will close - until the next time I start Firefox. If I choose Menu->View->Sidebar->Bookmarks and uncheck it the panel will close - until the next time I start Firefox. No matter how the Bookmarks sidebar is closed, it will always reappear when Firefox is restarted. Even if I switch to some other sidebar, Bookmarks will replace it on startup.

I've searched about:config and found no setting which seems to control sidebar behavior on startup.

I assume this is the result of some recent update. Is there no longer a way to permanently disable the Bookmarks sidebar?

MacOS 12.7.5 Firefox 127.0 (64-bit)

I had a crash on my SSD (WIn7 Ultimate) - " Operating system missing" error. I saved the data and want to reinstall Win 7 and import previous Bookmarks data to new install of Moziilla Firefox.

I transferred the sqlite file (s88qn337.default) from the previous install (now non working system) to the existing working Firefox directory (C:/Users/My Name/AppData/Roaming/Firefox/Profiles/xxx.default.

I then renamed "default.XXX.old" (the previous install had only one file in the Profile directory - ie s88qn337.default)

When I try to open Mozilla Firefox, with the single file (s88qn337.default) in the Profile directory, I get the error "Can't find user data".

When I then open fresh install of Mozilla Firefox on working SSD (Win 7 Ultimate) and try to Import Bookmarks, the options are only "Import Bookmarks from Explorer" or "Import from html file".

How to resolve this problem, please?

I'm trying to get my Firefox installation to permanently disable private browsing mode, however, all information I can find is for the Snap version of Firefox, and not for the Flatpak version. How do I disable private browsing on my installation?