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constant, reoccurring tab crashes

All the tabs, in both my profiles are constantly crashing. I cannot keep at a task for more than a few minutes without needing to restart the tab. Is this a setting pro… (mear ynfo)

All the tabs, in both my profiles are constantly crashing. I cannot keep at a task for more than a few minutes without needing to restart the tab. Is this a setting problem? I've cleared the cache, and reset Firefox, to no avail. Thank you for any relevant advice and/or assistance.

Iepen 8 36

Continuous tab crashes

I have asked several times, and received no responses that helped. I am continuously hammered with GAH! I've tried everything I've found both from Mozilla, and Google AI,… (mear ynfo)

I have asked several times, and received no responses that helped. I am continuously hammered with GAH! I've tried everything I've found both from Mozilla, and Google AI, but have had no solutions. What am I missing? If I have to uninstall, then reinstall Firefox, I'm going back to one of the better versions, like 98, or 99, or earlier, which I've got on old HDD's that still function. Thanks to anybody who can offer a real solution.

Iepen 1 9

Persistent tab crashes

Tabs will crash over and over again. I can barely look at any given page for longer than a minute or two. What happened?? Firefox was never like this before. It just cras… (mear ynfo)

Tabs will crash over and over again. I can barely look at any given page for longer than a minute or two. What happened?? Firefox was never like this before. It just crashed in the middle of me typing this LMAO. Using Brave in the meantime. This is ridiculous.

Iepen 10 2 46

Firefox suddenly opens about:processes tab and then closes itself

Hello everyone, yesterday I got quite a scare. While Firefox was open, a new tab briefly appeared showing the page about:processes, and immediately afterwards the browser… (mear ynfo)

Hello everyone,

yesterday I got quite a scare. While Firefox was open, a new tab briefly appeared showing the page about:processes, and immediately afterwards the browser closed itself on its own.

At the same time, Chrome was open in the background. When I clicked on Chrome, a prompt appeared asking whether I wanted to allow changes to be made to the system (the typical UAC prompt). However, I’m not entirely sure if this was actually triggered by Chrome or possibly by another application.

I clicked “No” on the UAC prompt and immediately unplugged my keyboard. I recently started using an ASUS ROG Falcata, which is connected via USB.

After that, I ran a virus scan with Windows Defender — it didn’t find anything. I also ran AdwCleaner, which also came up clean.

At first, I suspected the ASUS ROG Falcata (I’ve only been using it for a few days), since it’s almost like a small computer itself and can execute macros, patterns, etc. I was worried about a possible firmware bug or something worse. At the moment, I’m honestly hesitant to plug it back in and am using an old Dell keyboard instead.

Importantly, I wasn’t pressing any keys at the time of the incident.

Now I’m quite unsure what could have caused this.

Is there any way to trace this in Firefox (e.g., via logs)?

And is there any (event) log where I could check what triggered the UAC prompt?

One more thing I noticed: I shut down the PC afterward and turned it back on later that evening. Everything booted normally and is still running fine today. However, Firefox updated itself yesterday from version 148.2 to 149. Maybe that was somehow related (though there’s no indication in the Firefox update history that anything failed or similar).

Iepen 4 72

My browser is crasing continiously

Hello, I’ve been increasingly frustrated over the past few weeks with your browser, which I prefer over all the others, because it keeps crashing constantly. I’ve tried s… (mear ynfo)

Hello, I’ve been increasingly frustrated over the past few weeks with your browser, which I prefer over all the others, because it keeps crashing constantly. I’ve tried several small fixes suggested by IT professionals, such as clearing the cache, running an antivirus scan, and deleting my browsing history, but the issue persists with no improvement. At this point, my last option seems to be uninstalling and reinstalling the application, but I’m concerned about losing my bookmarks. Could you please advise me on how to resolve this issue? M. BEDIRIAN

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fire fox keeps crashing up to 8 times per minute why?

why does my fire fox keep crashing the screen goes black i get tab just crashed already updated and cleaned my ram and did everything i could think of and still crashing … (mear ynfo)

why does my fire fox keep crashing the screen goes black i get tab just crashed already updated and cleaned my ram and did everything i could think of and still crashing am still crashing on troubleshooting mode

Iepen 1 54

Firefox keep crashing when multiple windows is open while on google meet

my firefox keep crashing when i join google meet and i need to do multitask so i open another firefox windows(private or not) it always crash few second after, i have tri… (mear ynfo)

my firefox keep crashing when i join google meet and i need to do multitask so i open another firefox windows(private or not) it always crash few second after, i have tried the trouble shoot mode its still crashing, even the new windows from SSO request do trigger my firefox to crash. when the browser crash it does offer me to restore my session

Iepen 1 157

When Firefox Opens - a dialogue box appears -regarding AIXHost.exe

The dialogue box says "The application is exiting and cannot service this request" Nonetheless Firefox seem to be functioning as I would expect apart from the irritating … (mear ynfo)

The dialogue box says "The application is exiting and cannot service this request"

Nonetheless Firefox seem to be functioning as I would expect apart from the irritating appearance of the dialogue box that I have described.

I attached a scan of the dialogue box - how do I prevent it appearing and/or is it signifying anything important,

Windows 11 Home Version 25H2

Iepen 1 45

19 crash reports in 3 days

Just got my repaired laptop back. Windows Home 23H2 build 22631.6199. Installed Firefox, synched my account. Firefox or a firefox tab have crashed 19 times in the last 3 … (mear ynfo)

Just got my repaired laptop back. Windows Home 23H2 build 22631.6199. Installed Firefox, synched my account. Firefox or a firefox tab have crashed 19 times in the last 3 days since the fresh install.

5 most recent submitted

Report ID Date Submitted bp-d5cc4d87-e2dd-4149-93ec-d91000260401 4/1/2026, 10:39 AM View bp-09b6f228-0b9e-4827-85e7-108df0260401 3/31/2026, 7:43 PM View bp-2edc9f85-37b3-4a37-8a1b-ed6390260331 3/31/2026, 11:03 AM View bp-df98c40c-38d4-4d41-ad0a-104430260331 3/31/2026, 10:59 AM View bp-5a3b7f96-699e-4096-98c4-411ab0260402 4/2/2026, 9:51 AM

Actually crashed while preparing this message. What to do?

Iepen 1 37

Firefox crashing when downloading file

Hello, I would like to report a potential bug in Mozilla Firefox related to recent updates. After downloading a PDF file and opening it directly in the browser, the tab c… (mear ynfo)

Hello,

I would like to report a potential bug in Mozilla Firefox related to recent updates.

After downloading a PDF file and opening it directly in the browser, the tab crashes. Following this crash, it becomes impossible to open any files (regardless of file type) within the browser — every attempt results in another tab crash. The crash report cannot be reviewed, as the tab fails immediately and can only be closed.

As a temporary workaround, changing the default PDF handler to an external application prevents the issue. However, this is not a viable solution for us, since some of our internal systems require PDFs to open directly in the browser after download.

We have verified that this issue does NOT occur in version 148.0.2 — everything works correctly there. However, after updating to version 149.0, the problem reappears consistently. Firefox also automatically updates after synchronization, making it difficult to remain on a stable version.

According to the release notes, there were changes in PDF handling in recent updates, so this may be related to a technical regression.

Could you please investigate this issue or advise on a proper fix or workaround?

Best regards, Daniel Mazur VanityStyle IT Specialist

Iepen 1 45

Crashing firefox on last update

I've got constant crashes jn last update Firefox 148.0.2 (Desktop). Often it happens when Google Meets launched in browser and i started switch between tabs or another ap… (mear ynfo)

I've got constant crashes jn last update Firefox 148.0.2 (Desktop). Often it happens when Google Meets launched in browser and i started switch between tabs or another applications. In Widows logs i found this error: Имя сбойного приложения: firefox.exe, версия: 0.0.0.0, метка времени: 0x00000000 Имя сбойного модуля: unknown, версия: 0.0.0.0, метка времени: 0x00000000 Код исключения: 0xc00000fd Смещение ошибки: 0x00007ffce9d07286 Идентификатор сбойного процесса: 0x0x3F64 Время запуска сбойного приложения: 0x0x1DCB6A7BAE6121F Путь сбойного приложения: C:\Program Files\Mozilla Firefox\firefox.exe Путь сбойного модуля: unknown Идентификатор отчета: 1a851f87-1b94-4270-8d86-a6850200a62b Полное имя сбойного пакета: Код приложения, связанного со сбойным пакетом:

Installed system Windows 11

Iepen 1 126

why does firefox keep crashing???

Firefox is CONSTANTLY crashing now and I'm about ready to switch to another browser unless someone can give me a reason to stay. Moderator note: This question has been e… (mear ynfo)

Firefox is CONSTANTLY crashing now and I'm about ready to switch to another browser unless someone can give me a reason to stay.

Moderator note: This question has been edited to clarify OS version (based on crash reports).

Iepen 5 117

The latest Fire Fox version keeps crashing and I want a old version of Fire Fox from before that update!

Last time the Fire Fox updates I noticed a weird change with the browser's behavior. the browser keeps crashing just anywhere I go! I keep losing my tabs and got kicked o… (mear ynfo)

Last time the Fire Fox updates I noticed a weird change with the browser's behavior. the browser keeps crashing just anywhere I go! I keep losing my tabs and got kicked out of the browser losing the webpages where I was! Please fix this problem and for now at the moment I would be ok if I could go back to the last old version before that happen? I appreciate your help guys!

Iepen 1 1 154

Since your latest update, each time I open a new tab in Firefox it crashes. How do I fix this?

Since the latest Firefox latest update yesterday (02/24/2026), each time I try to open a new tab in Firefox it crashes. I get a "gah, your tab has crashed" message but w… (mear ynfo)

Since the latest Firefox latest update yesterday (02/24/2026), each time I try to open a new tab in Firefox it crashes. I get a "gah, your tab has crashed" message but when I hit the "restore" link nothing happens. How do I fix this at my end? Thank you.

Iepen 1 99

Shutting the active tabs automatically

Firefox is shutting down all my active tabs automatically WITHOUT asking me. This is regularly happening and wastes a lot of time. Is it due to installing Updates ? I DON… (mear ynfo)

Firefox is shutting down all my active tabs automatically WITHOUT asking me. This is regularly happening and wastes a lot of time. Is it due to installing Updates ? I DON"T want ANY updates and I am fully happy with my current version. If this doesn't go away, I will have to delete this browser and move elsewhere.

Iepen 1 228