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Firefox crashes repeatedly

Summary - Firefox crashes repeatedly. yesterday, I decided to switch to Firefox after using Chrome for a while. it worked fine and I synced my data from Chrome. today, a… (อ่านเพิ่มเติม)

Summary - Firefox crashes repeatedly. yesterday, I decided to switch to Firefox after using Chrome for a while. it worked fine and I synced my data from Chrome. today, at some point I noticed Firefox is no longer open in my taskbar. I decided to reopen it - it crashed. since that moment it has never worked again. I tried launching it in safe mode (firefox.exe -safe-mode), didn't work. tried reinstalling it, didn't work. manually deleted the files from C:\Program Files and AppData, installed Firefox again, didn't work. reinstalled gpu drivers, didn't work. sfc /scannow-ed, you guessed it - still crashes. what else could I possibly try? please help.

os: Windows 11 Home Firefox source: https://www.mozilla.org/en-US/firefox/all/desktop-release/win64/


p.s. this was posted through an android phone but the problem only occurs on windows

Asked by iamahuman1395 21 ชั่วโมงก่อน

Answered by TyDraniu 20 ชั่วโมงก่อน

lost Tab-Groups after Windowsupdate

I managed to find my Backup-files in my Mozilla-files, but upon copying it i only got my closed Tabs back and not my closed Tab-Groups. I lost like months worth of Tabs a… (อ่านเพิ่มเติม)

I managed to find my Backup-files in my Mozilla-files, but upon copying it i only got my closed Tabs back and not my closed Tab-Groups. I lost like months worth of Tabs and dont know how to restore them.

Asked by Ke Zo 49 นาทีก่อน

Second charachter on address bar stops autocomplete

Hi all, I'm using Firefox 140.0.4 (64-bit) on Debian Trixie and I'm getting a weird behavior with the auto-complete functionality of the address bar. If I type the first… (อ่านเพิ่มเติม)

Hi all, I'm using Firefox 140.0.4 (64-bit) on Debian Trixie and I'm getting a weird behavior with the auto-complete functionality of the address bar.

If I type the first character the address gets auto filled (see 20250711_First-character-auto-fill-working.png attachment), then if I type the second character the auto filled result disappears (see 20250711_Second-character-auto-fill-NOT-working.png).

I've tried any search option combination, but results doesn't change. At the moment I'm using for the address bar just "Browsing history" (see 20250711_Address-bar-settings.png).

The correct behavior would be, as in the past, that new characters confirming the address would leave things as they are. Do you have any suggestion on how to restore the original behavior?

Many thanks,

Raoul

Asked by rasca 55 นาทีก่อน

Is there a way I can middle click bookmarks in my "other bookmarks" panel and have them open in new tabs?

Recently switched from Chrome and in Chrome I would open my "Other Bookmarks" folder and middle click a bunch of bookmarks which would open them up in a new tab without s… (อ่านเพิ่มเติม)

Recently switched from Chrome and in Chrome I would open my "Other Bookmarks" folder and middle click a bunch of bookmarks which would open them up in a new tab without switching to that tab or closing the "Other bookmarks" folder.

Is there a way I can replicate this on Firefox? Because at the moment, middle clicking the bookmarks does nothing. This is not about the bookmarks bar at the top.

Asked by matthewbester 56 นาทีก่อน

Microsoft login repeating

When using any Microsoft 365 product on the browser I keep getting a prompt to "Please sign in" although I am already signed in. I can click the Sign in button and a abou… (อ่านเพิ่มเติม)

When using any Microsoft 365 product on the browser I keep getting a prompt to "Please sign in" although I am already signed in. I can click the Sign in button and a about:blank page pops up for a split second. Then within a half hour or so, it will pop up again. I deleted my cookies but the problem still persists. Does not happen on other browsers.

Asked by jason.pozega 1 สัปดาห์ก่อน

Last reply by Denys 58 นาทีก่อน

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… (อ่านเพิ่มเติม)

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.

Asked by mateusz.saniewski 1 ชั่วโมงก่อน

firefox need to detect and know how much monitors and screens like 1,2,3,4

firefox need to detect and know how much monitors and screens like 1,2,3,4 to know to open new window always in monitor 1, screen 1. in now is open always is where is pla… (อ่านเพิ่มเติม)

firefox need to detect and know how much monitors and screens like 1,2,3,4 to know to open new window always in monitor 1, screen 1. in now is open always is where is placed first open firefox program window. that is happened when i start firefox in screen 1 and move it to second monitor screen 2 all others start opened program windows open in screen 2 monitor 2. this is not good. if i will come time to hav 4 monitors and 4 screens what we do ?!?!? chasing where is open firefox program in all monitors.

second. all firefox opened program windows and loaded links in them need to remember where is closed to remember where is need to open in next time like monitor number and screen number. also what is size of program window is in moment of closing of program window.

talk about it and see what you will do about this futures in new updates.

Asked by Калоян Радев 1 ชั่วโมงก่อน

Firefox is Eating My Tabs

Firefox recently started "eating" my tabs: closing them without my permission. There are several tabs I want to keep open at all times, because I refer to them from time … (อ่านเพิ่มเติม)

Firefox recently started "eating" my tabs: closing them without my permission. There are several tabs I want to keep open at all times, because I refer to them from time to time throughout the day, but Firefox closes them from time to time. I googled the issue and the AI directed me to two settings: browser.tabs.unloadOnLowMemory and browser.tabs.min_inactive_duration_before_unload. It suggested setting the first one to "false" and increasing the duration of the second, or setting it to "false." However, the setting will only accept numeric values.

Since I am not having low memory issues, I want Firefox to leave my tabs alone. Is there any way to actually do this? If not, it would be really nice if Firefox developers reversed this intrusive change.

Thank you, Terry

Asked by TLMorse 3 ชั่วโมงก่อน

Last reply by TLMorse 2 ชั่วโมงก่อน

Delayed tab close on snap since version 140

Hello. I use Firefox on an computer with Ubuntu, (installed as snap) and have noticed that since the update to version 140 (specifically, version 140.0 canonical-002-1.0… (อ่านเพิ่มเติม)

Hello.

I use Firefox on an computer with Ubuntu, (installed as snap) and have noticed that since the update to version 140 (specifically, version 140.0 canonical-002-1.0), closing a tab causes a noticeable delay : that is, upon any action that would close a tab (clicking on the cross, pressing CTRL+w, or middle clicking), there is a delay of about 200 to 300 ms before the tab is actually closed.

However, during this delay, the window still responds to inputs, leading to rather annoying situations. For example, during regular usage, I usually open a great number of tabs. When I am done with browsing, I close them, by repeatedly clicking the cross button on the tabs. It used to be that the tab under the cursor would immediately close, then the next tab would slide under the cursor, and I would click again to close that one, etc.

But now, when clicking the cross button, the tab is not closed, and when I click again after a small delay (because of muscle memory), the tab is still there. This cause the two single clicks to be treated as a single double-click, which for some reason puts the window in full-screen mode (but only with the snap version; I'm not sure what's going on here).

When using CTRL+w when closing tabs, the delay is still there, but the inputs are correctly handled. If I press CTRL+w three times at the usual rate, I can see the three key presses, then nothing happens for a few instants, then the three tabs close at the same time (i.e. the delay is from input to tab close, not from tab close to other tab close).

This behaviour is completely absent on Firefox (also version 140) on my windows computer.

This delay does not appear when creating tabs, and it does not occur either when closing the window or when closing the last tab in the window (leading to an amusing situation where shutting down Firefox is actually faster then closing a tab). These operation keep going at their previous speed, immeasurably fast to the human eye.

Navigation does not appear to be meaningfully slower than before the update, and the CPU/memory usage is very reasonable.

Curiously, this appears to be a fixed delay. Closing an empty tab takes the same time as closing a very busy one. Closing a tab when there are five takes the same time as closing a tab when there are thirty.

This issue makes browsing feel incredibly sluggish.

Is there a solution for this problem ?

Edit 1 : I have tried to run Firefox in troubleshoot mode, but there was no difference in behaviour. Edit 2 : Fixed typo. Edit 3 : Added exact version. I also tried to refresh Firefox, but the issue remained. Edit 4 : The problem is still present in version 140.0.1 canonical-002-1.0. Edit 5 : The problem is still present in version 140.0.2 canonical-002-1.0. Edit 6 : As of version 140.0.4 canonical-002-1.0, the problem seems to have been fixed. Thank you.

Asked by cd 2 สัปดาห์ก่อน

Windows: Two uninstall lists appear when you install an update

When I custom installed to a different path,I didn't have the service installed,and when I encountered an update,I manually updated and restarted Firefox Brower,and I saw… (อ่านเพิ่มเติม)

When I custom installed to a different path,I didn't have the service installed,and when I encountered an update,I manually updated and restarted Firefox Brower,and I saw two uninstall lists in the control panel uninstall list.

Asked by H1e1 2 ชั่วโมงก่อน

Firefox previous data retrieval

Firefox did an automatic update today. But now all of my saved bookmarks, saved passwords and items are gone in the new version. How can I retrieve them or return to my … (อ่านเพิ่มเติม)

Firefox did an automatic update today. But now all of my saved bookmarks, saved passwords and items are gone in the new version. How can I retrieve them or return to my previous version of firefox?

Asked by Fei Shi 2 ชั่วโมงก่อน

Search Not Showing Webpage Titles

I am having an issue where my browser does not show the webpage title or website name when it returns results. I haven't changed anything about my browser recently and I'… (อ่านเพิ่มเติม)

I am having an issue where my browser does not show the webpage title or website name when it returns results. I haven't changed anything about my browser recently and I'm really unsure of what is going on. Any advice to fix this would be appreciated.

Asked by Hanne 1 สัปดาห์ก่อน

Last reply by Denys 2 ชั่วโมงก่อน

نصب Dolange

هر کار میکنم نمیتوانم برنامه Dolange را از فایر فاکس نصب کنم

Asked by Victor f 2 ชั่วโมงก่อน

How to retrive files from "Old Firefox Data" folder on desktop.

Hi, I don't come from an IT/Tech background so this has become a hassle for me. I have a "Old Firefox Data" file on the my desktop and that seems to have sub-folders wi… (อ่านเพิ่มเติม)

Hi,

I don't come from an IT/Tech background so this has become a hassle for me. I have a "Old Firefox Data" file on the my desktop and that seems to have sub-folders with my bookmarks, sessions, logins, etc. How do I retrieve those to the new Firefox browser.

Thanks!

Asked by AK 3 ชั่วโมงก่อน