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Seemingly random, select website tabs now crash on load

Yesterday Firefox started crashing tabs on load of a handful of websites that are seemingly random, like Twitter and a few shopping site tabs I had open. It wasn't after … (read more)

Yesterday Firefox started crashing tabs on load of a handful of websites that are seemingly random, like Twitter and a few shopping site tabs I had open. It wasn't after a system update or anything, it just started happening while Firefox was already open and those tabs had already been open and loaded. I've tried clearing my cache, site data, reinstalling Firefox, and it still does it. Upon further investigation, it seems to be something regarding libfontconfig, and mostly specific to users of openSUSE Tumbleweed.

https://crash-stats.mozilla.org/signature/?product=Firefox&signature=libfontconfig.so.1

Solved 2 1

Why does my Firefox freeze then crash?

So for three days now, my firefox constantly crashes. I would be reading a story online or watching a video on Youtube and then it will suddenly freeze. In videos, it'll … (read more)

So for three days now, my firefox constantly crashes. I would be reading a story online or watching a video on Youtube and then it will suddenly freeze. In videos, it'll still play the sound but the screen will freeze. I can't pause or stop it. Then either Firefox crashes and closes or I have to close it for it to stop. Sometimes, when I try opening it again, it still won't open. I used to have 50 tabs open and never ad this issue. After this, I closed all the open tabs, even deactivated a bunch of extensions, run malware detection, and still the issue continues. I don't know what the problem is. I even followed instructions and deactivated hardware acceleration options in Performance. And I have all AI options turned off too. The app also recently was updated.

crash report bp-e455fd8b-e30b-4cdc-811a-346ac0260607

Solved 6 1

Crashes when opening a new tab

When playing a YouTube video and attempting to open a new tab, Firefox consistently crashes. This was also occurring with Picture-in-Picture mode. Has anyone else encoun… (read more)

When playing a YouTube video and attempting to open a new tab, Firefox consistently crashes. This was also occurring with Picture-in-Picture mode.

Has anyone else encountered this?

Solved 8 99

Firefox вылетает при загрузке Faceit Anti-Cheat.

I already left a topic here on this issue, then no one could help me, in general, the problem appeared a month ago in me, as after I reinstalled Windows, downloaded the f… (read more)

I already left a topic here on this issue, then no one could help me, in general, the problem appeared a month ago in me, as after I reinstalled Windows, downloaded the facit anti-cheat steam browser and went to play facit, since facit requires some settings in the bios for it to work, when downloading the anti-cheat, it asks to restart the computer, it asks for tpm 2.0 secure boot , VBS , iommu , and so I thought for a long time what could be the problem that it is after installing the anti-cheat facit that the browser breaks. As a result, I found out that it is when the iommu function is enabled in the firefox bios that it breaks , if you disable this setting, the browser works, although it gave an error before and did not start at all, I spent a month trying to figure out what the problem was, I am a Windows optimizer and I had custom windows and a lot of different settings for optimizing windows, but now I have installed official windows and the problem is still there, it turned out that it is far from in windows and windows optimization, because I have many friends who use custom windows and optimization settings and everything works for them, and so I found out that it's about iommu , just a couple of days ago, I updated the bios, I had the old version, now the newest one is still present, if there is, then help me figure it out.

here is the error code from the "details" by the way, not only firefox breaks, but also chrome, brave, etc.

AvailablePageFile: 37469605888 AvailablePhysicalMemory: 32424693760 AvailableVirtualMemory: 138531310682112 BackgroundTaskMode: 0 BuildID: 20260403140140 CPUMicrocodeVersion: 0xa20120a CrashTime: 1775599624 DOMFissionEnabled: 0 DOMIPCEnabled: 0 HeadlessMode: 0 InstallTime: 1775587593 LastStartupWasCrash: 0 MinidumpSha256Hash: 89a8c6296c245dae30e1562163d1ec0d37df24dffa0a6e612f9294854213f8ff ModuleSignatureInfo: {"Mozilla Corporation":["firefox.exe","xul.dll","gkcodecs.dll","nss3.dll","mozglue.dll","lgpllibs.dll"],"Microsoft Windows":["dbgcore.dll","winrnr.dll","twinapi.dll","wshbth.dll","pnrpnsp.dll","NapiNSP.dll","netprofm.dll","npmproxy.dll","dhcpcsvc6.DLL","dhcpcsvc.dll","winnsi.dll","DWrite.dll","dbghelp.dll","winmm.dll","Windows.UI.Immersive.dll","twinapi.appcore.dll","InputHost.dll","WindowManagementAPI.dll","textinputframework.dll","Windows.UI.dll","ktmw32.dll","wsock32.dll","version.dll","propsys.dll","WinTypes.dll","CoreUIComponents.dll","CoreMessaging.dll","nlaapi.dll","uxtheme.dll","dwmapi.dll","kernel.appcore.dll","windows.storage.dll","ntmarta.dll","IPHLPAPI.DLL","dnsapi.dll","mswsock.dll","CRYPTBASE.dll","wldp.dll","ntasn1.dll","ncrypt.dll","msasn1.dll","profapi.dll","bcryptPrimitives.dll","msvcp_win.dll","ucrtbase.dll","cfgmgr32.dll","wintrust.dll","gdi32full.dll","crypt32.dll","KERNELBASE.dll","win32u.dll","bcrypt.dll","sechost.dll","SHCore.dll","user32.dll","advapi32.dll","kernel32.dll","nsi.dll","gdi32.dll","ws2_32.dll","rpcrt4.dll","shlwapi.dll","ole32.dll","shell32.dll","oleaut32.dll","msctf.dll","combase.dll","msvcrt.dll","psapi.dll","clbcatq.dll","imm32.dll","ntdll.dll"],"Microsoft Windows Software Compatibility Publisher":["msvcp140.dll","VCRUNTIME140.dll","VCRUNTIME140_1.dll"]} ProcessType: main ProductID: {ec8030f7-c20a-464f-9b0e-13a3a9e97384} ProductName: Firefox ReleaseChannel: release SafeMode: 0 SecondsSinceLastCrash: 12318 StartupCacheValid: 1 StartupCrash: 1 StartupTime: 1775599624 SubmittedFrom: Client SystemMemoryUsePercentage: 5 Throttleable: 1 TotalPageFile: 39652315136 TotalPhysicalMemory: 34283606016 TotalVirtualMemory: 140737488224256 UptimeTS: .2474393 Vendor: Mozilla Version: 149.0.2

Solved 8 9

la toute dernière version de firefox ne fonctionne pas. Message l'onglet a planté

Après avoir téléchargé la toute dernière version, 18.5.00, firefox ne fonctionne plus. Le message apparait à chaque recherche d'un site : l'onglet a planté. Que faire ? M… (read more)

Après avoir téléchargé la toute dernière version, 18.5.00, firefox ne fonctionne plus. Le message apparait à chaque recherche d'un site : l'onglet a planté. Que faire ? Merci

Solved 2 36

Duplicate firefox window opening

When I open Firefox for the first time after logging in to my macbook, after a few minutes, a second Firefox icon appears in the dock at the bottom of the screen. Why is… (read more)

When I open Firefox for the first time after logging in to my macbook, after a few minutes, a second Firefox icon appears in the dock at the bottom of the screen. Why is this happening (only started a few days ago)? And how do I stop it?

Solved 1 27

Firefox keeps closing itself

Dear Mozilla Support Team, I have downloaded Firefox through the official website and I have installed it through the terminal for Chromebook's Debian Linux. I have a Chr… (read more)

Dear Mozilla Support Team,

I have downloaded Firefox through the official website and I have installed it through the terminal for Chromebook's Debian Linux.

I have a Chromebook c214ma with a Intel Celeron 4020 with 4 GB ram every single browser on my machine works properly just Firefox keeps closing and crashing

Kindly fix this issue

Regards,

Pranav

Solved 1 91

Frequent crashing on Chromebook

Hi, At some point in the last couple of weeks, I've started running into very frequent crashes running Firefox in the Linux container on my Chromebook. It previously work… (read more)

Hi,

At some point in the last couple of weeks, I've started running into very frequent crashes running Firefox in the Linux container on my Chromebook. It previously worked well, but is now unusable. I'm now running Firefox version 147.0.3 on Chrome version 144.0.7559.167. This is after I did a clean reinstall of Firefox using flatpak, which didn't help. It seems like it often happens when my mouse hovers over a browser tab or icon (eg account, extensions, hamburger). Other quirky display behaviour, which mayor may not related, is that videos are often not working (eg Youtube, BBC), and various browser windows (eg when selecting Manage Bookmarks, or restarting in safe mode), open a small size-reduced window. Latest crash reports below -

bp-79d9b303-4402-455b-b49b-bbc1e0260209 bp-58276587-1315-4431-beba-4d9230260209 bp-0f499a5f-34e7-4a1d-8789-e8dc80260209 bp-a2ccec4c-087d-4e39-8af6-cbb740260209 bp-59770723-c637-4689-ae2f-a203f0260209

Thanks for any suggestions.

Solved 4 148

Firefox hanging -0 crashing

Hi, Windows 11, 32GB memory. Firefox crashes regularly when between 1.6 and 1.9 GB is consumed It happens when watching YouTube. What is the solution, please? Thank y… (read more)

Hi, Windows 11, 32GB memory. Firefox crashes regularly when between 1.6 and 1.9 GB is consumed It happens when watching YouTube. What is the solution, please? Thank you.

Solved 3 36

Immediately crashes windows

I've been using Firefox all morning. Now, for some unknown reason, every time I start it up, it immediately crashes Windows. I mean, within 1 second or so. There's no tim… (read more)

I've been using Firefox all morning. Now, for some unknown reason, every time I start it up, it immediately crashes Windows. I mean, within 1 second or so. There's no time to do anything. After the fourth crash in a row, I just restarted Windows again. It was humming along happily for 10 minutes or so, and then crashed as soon as I started Firefox. After the first crash, the first thing it did was update, but that didn't fix anything. I'd love to share data with you but I'm forced to use Edge right now.

Solved Archived 3 201

Browser suddenly crashing when opening Slack

I've used Slack every day for the past decade, and Firefox has been my primary browser for some time now. I've never had an issue with the two, but now, Firefox is reliab… (read more)

I've used Slack every day for the past decade, and Firefox has been my primary browser for some time now. I've never had an issue with the two, but now, Firefox is reliably crashing every time I attempt to open Slack.

I've tried clearing my cache both broadly and specific to Slack, with neither producing results. Even tried deleting all cookies on Firefox, which was a bit of a pain, and it was no help.

I did read up on some people encountering a similar issue that could be fixed by deleting the Slack entry in "about:serviceworkers," but this did not help here.

The only extension I'm running is uBlock Origin, which I've been running for probably as long as I've been using Firefox, and that has never presented an issue before either.

Would appreciate any help or advice on the matter.

Solved Archived 10 174

FIREFOX FREQUENT CRASHES

The computer has rebooted from a bugcheck. The bugcheck was: 0x0000000a (0x0000000000000030, 0x0000000000000002, 0x0000000000000000, 0xfffff80274225392) CAUSE WAS FIREFO… (read more)

The computer has rebooted from a bugcheck. The bugcheck was: 0x0000000a (0x0000000000000030, 0x0000000000000002, 0x0000000000000000, 0xfffff80274225392) CAUSE WAS FIREFOX.EXE

Locked Archived 1 54

FIREFOX CRASH

The computer has rebooted from a bugcheck. The bugcheck was: 0x0000000a (0x0000000000000030, 0x0000000000000002, 0x0000000000000000, 0xfffff80274225392) CAUSE WAS FIREFO… (read more)

The computer has rebooted from a bugcheck. The bugcheck was: 0x0000000a (0x0000000000000030, 0x0000000000000002, 0x0000000000000000, 0xfffff80274225392) CAUSE WAS FIREFOX.EXE

Locked Archived 1 100

Firefox frozen and unresponsive when a notification is received

Since a few days, Firefox started crashing each time I receive a notification. For example, with this notifications test website: https://www.bennish.net/web-notification… (read more)

Since a few days, Firefox started crashing each time I receive a notification.

For example, with this notifications test website: https://www.bennish.net/web-notifications.html

Each time I click on the "Show" button to display a notification, Firefox becomes completely unresponsive: the content of the window is completely frozen and I can't click on anything. I must close it and restart it to make it work again. When I restart it, a dialog displays:

> Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window.

In both applications, the notification is never shown: the freeze occurs before.

I tried the following changes but they did not stop the issue from occuring:

- Deactivating hardware acceleration - Troubleshooting mode - Deactivating firefox notifications in Windows - Deactivating `alerts.useSystemBackend` and `alerts.useSystemBackend.windows.notificationserver.enabled` in `about:config`

At the same time, I noticed that Thunderbird (v144.0.1, 64bits) started having the same issue. It haappens each time I receive a new message in the background and a notification should appear. Maybe this is related?

Solved Archived 3 175

How do I diagnose a reproducible tab crash?

Just over a week ago, I found that a particular page transition always crashed by browser tab (i.e. a reproducible crash). This occurred on the Quora.com website when vis… (read more)

Just over a week ago, I found that a particular page transition always crashed by browser tab (i.e. a reproducible crash). This occurred on the Quora.com website when visiting the 'Questions' tab for any Quora Space. I am not aware of anything special associated with this operation, and it works OK in Chrome. There may be other cases -- outside of that particular website -- but that is the one most affecting me at the moment.

There are no associated Windows events logged. I checked about:crashes and the Crash Report folder but i cannot find any readable details.

If I refresh the page then the transition occurs without problem.

I would like to find the cause myself because I am on an Windows 7 64-bit ESR version, although I do not believe this is an ESR issue as it was working fine a couple of weeks ago. it is just that I cannot find any logged information on the cause.

Solved Archived 2 119

FREQUENT FIREFOX CRASHES!

WHY CAN'T YOU FIX YOUR BUGGY BROWSERS??? LOOKS LIKE I'M GOING TO OPERA OR EDGE NOW!!! STOP C0000005 ERRORS! I CAN'T BELIEVE HOW YOU'VE MESSED UP A ONCE-GOOD BROWSER! … (read more)

WHY CAN'T YOU FIX YOUR BUGGY BROWSERS??? LOOKS LIKE I'M GOING TO OPERA OR EDGE NOW!!! STOP C0000005 ERRORS! I CAN'T BELIEVE HOW YOU'VE MESSED UP A ONCE-GOOD BROWSER!

Locked Archived 1 182

Firefox crashes after Windows 11 upgrade

I upgraded my Dell PC to Windows 11 yesterday via Windows Update, since support for Windows 10 is ending. Now Firefox crashes often when I close the browser. Everything… (read more)

I upgraded my Dell PC to Windows 11 yesterday via Windows Update, since support for Windows 10 is ending. Now Firefox crashes often when I close the browser. Everything works fine while I'm using Firefox, it's only when I close the browser that sometime later I will get a crash message on my desktop. I have tried uninstalling Firefox and reinstalling it, and the problem persists. From what I can tell, there's some process which is ongoing after the browser is closed, which isn't terminating properly and that's why it's crashing. I have submitted several crash reports, but don't know how to post them here.[bp-2e2d8f06-4c87-43a6-8b32-b0f5a0251006]

Locked Archived 1 92