With today's upgrade to Firefox 136.0 for Mac OSx Sequoia 15.3.1, I am now being prompted for my Primary Password upon startup. Why? (I am NOT using Sync.)
Hi, Firefox version: 139.0.4 (64-bit) OS: Windows 11 I have been having issues where Firefox tab will just crash out for no reason it appears and it happens at random t… (read more)
Hi,
Firefox version: 139.0.4 (64-bit) OS: Windows 11
I have been having issues where Firefox tab will just crash out for no reason it appears and it happens at random times and once the tab start to crash, and I restore it, it will crash again and again. The only way tog et out of the loop is to restart Firefox.
I have tried: Refreshing/Reset, Clearing Cache and History removing all themes, disabling extensions, disabling my anti virus. Turning off hardware acceleration didn't make any different.
I currently have 2 extensions enabled: uBlock Origin 1.64.0 and Bitwarden Password Manager 2025.5.0
In the about:Crashes I have reported them all and they seem to have the same type of reasons in the Raw data/Minidump which are: EXCEPTION_ACCESS_VIOLATION_WRITE EXCEPTION_ACCESS_VIOLATION_READ
Any help as to what to try next?
Gaz
So I was looking at Event Viewer and I have noticed that Firefox Default Browser Agent shows error with EventID: 5, aKa Access Denied. I tried to google a bit, but could… (read more)
So I was looking at Event Viewer and I have noticed that Firefox Default Browser Agent shows error with EventID: 5, aKa Access Denied.
I tried to google a bit, but couldnt find anything useful, or at least for me.
Then I went to about:config in FF and I have noticed that even if I didnt personally made any edits, when I clicked show only modified preferences, it shows A LOT.
So it makes me to wonder what exactly is this error and why my config have so many modified preferences, even if I didnt modify any >.>
Every 1 - 2 hours Firefox stops loading pages and I have to shut it down and restart it and restarting takes around 6 clicks on the icon to get it to start. Also one tim… (read more)
Every 1 - 2 hours Firefox stops loading pages and I have to shut it down and restart it and restarting takes around 6 clicks on the icon to get it to start.
Also one time today I lost all my pinned tabs and had to manually restore them one at a time.
Using Ubuntu 24.04.2 and latest Firefox. Cleared cache but doesn't help.
Hello, Since the update on 24 June 2025, bookmarks are displayed in black text on a black background. Is this normal? If not, how can I resolve the issue? I had set it to… (read more)
Hello, Since the update on 24 June 2025, bookmarks are displayed in black text on a black background. Is this normal? If not, how can I resolve the issue? I had set it to dark mode, but even when I switched back to light mode, nothing changed. I would appreciate help from the community or Mozilla if anyone has a website address to contact them. Have a nice day.
I cannot for the life of me figure this out. Whenever I load a website that needs location (for example, Google Maps or my province's lottery) and enable location permiss… (read more)
I cannot for the life of me figure this out. Whenever I load a website that needs location (for example, Google Maps or my province's lottery) and enable location permissions, the websites come back saying they cannot find my location.
I have refreshed Firefox, disabled all Enhanced Tracking Protection, disabled all extensions, and have even ran Firefox in Troubleshoot mode - all to no avail. Is there any way this can be fixed? These websites all work on Chrome and Edge and work on my Firefox for iPhone.
On Windows 10 22H2.
On starting my laptop and going online I noticed that my sidbar bookmarks text has turned black, it was previously white as I use the dark mode for my browser, I have tri… (read more)
On starting my laptop and going online I noticed that my sidbar bookmarks text has turned black, it was previously white as I use the dark mode for my browser, I have tried changeing my theme and the only way to revert this is to not use any themes and just have white background which I dont want, is there any way to change this and why has it happened, I have been thought both Firefox and Windows settings but cant find a way to change it?
Hello, I have Firefox 140.0 on Windows 11 23H2. I just noticed that the Favorites Sidebar text and background are both dark. The History Sidebar does not have this pr… (read more)
Hello,
I have Firefox 140.0 on Windows 11 23H2. I just noticed that the Favorites Sidebar text and background are both dark. The History Sidebar does not have this problem. Changing either Firefox or Windows color scheme has no effect. I'm pretty sure this happened with the latest update.
Thanks
Recently I bought a Mac Mini and it won't allow me you sign in with Mozilla products (primarily Firefox). It defaults be to Safari. How do I get around their Safari requi… (read more)
Recently I bought a Mac Mini and it won't allow me you sign in with Mozilla products (primarily Firefox). It defaults be to Safari. How do I get around their Safari requirement and install Firefox?
I'm writing an extendion wich needs to download a file: ```js let url = URL.createObjectURL(new Blob([content + '\n'])); try { const id = await browser.d… (read more)
I'm writing an extendion wich needs to download a file:
```js
let url = URL.createObjectURL(new Blob([content + '\n']));
try {
const id = await browser.downloads.download(
{
filename: "some_name",
saveAs: false,
conflictAction: "overwrite",
url: url
}
);
await browser.downloads.erase({id: id});
} finally {
URL.revokeObjectURL(url);
}
```
If the file does not exist yet, it works great. If the file exists but is exactly the same, it still works. But if there is a need to override the file with different content, the file gets deleted and it is not being replaced.
According to inotifywait, the new file IS created, but immediately deleted.
Do I understand something wrong? What am I supposed to do?
Is it possible to authorize another app, instead of Bookmarks, to open by default, from the toolbar sidebar button?
I just got that update today. I don't like the fade transitions and would like to know how to remove it.
How to make that when I close a tab I get to the last opened tab insted of the neighbouring tab? It's very VERY important to me.
let me know how I can fix this issue, or if it can be fixed. Disabling uBlock Origin did not help.
Several years ago I made the mistake of committing myself to using Firefox and naturally I have had shitloads of problems ever since. Today I boot my computer and launch… (read more)
Several years ago I made the mistake of committing myself to using Firefox and naturally I have had shitloads of problems ever since. Today I boot my computer and launch FF and it asks me if I want to "refresh for a new experience". I'm not an inbred retard so I declined. Now all my addons are gone. How the hell do I fix this? Please don't tell me "in the future use such and such addon to fix it when Firefox deliberately fucks up your addons". Thanks.
In early June 2025 I finally ditched Windows 10 for 11 and I've been a Firefox user since practically the very beginning of Mozilla. Now, I notice that the "Restore Pre… (read more)
In early June 2025 I finally ditched Windows 10 for 11 and I've been a Firefox user since practically the very beginning of Mozilla.
Now, I notice that the "Restore Previous Session" button in the drop-down of the FF menu is missing. Additionally, I discovered late in the game that Mozilla DID listen to me and gave us the ability to "name" or "tag" an entire window in the browser. This was a HUGE boon to productivity as I'm constantly toggling from window to window to tab to tab.... Now, with the most recent update this ability seems to have disappeared....
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… (read more)
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.
How do I get back to my previous window
Been having an issue since around April 2025 with tabs crashing on certain websites (Not All) when browsing. Does not appear to have any pattern as to how long i have bee… (read more)
Been having an issue since around April 2025 with tabs crashing on certain websites (Not All) when browsing. Does not appear to have any pattern as to how long i have been on a site before it crashes.
All it says in the crash info is : EXCEPTION_ACCESS_VIOLATION_READ
Noticed that in the crash info it says my computer has 140 terrabytes of virtual memory (LOL)
bp-ac254c82-8bdd-4571-9a22-3472d0250627 27/06/2025, 19:40 View bp-7294aedd-feaf-4f9f-9a8c-33c160250627 27/06/2025, 19:36 View bp-2174e2bc-ccd3-454d-995b-446f80250627 27/06/2025, 19:36 View bp-30719940-c7c4-435e-8541-b87630250627 27/06/2025, 19:36 View bp-734d5709-c753-460a-bb75-9624e0250627 27/06/2025, 19:36 View bp-340b44a4-a2dc-488d-b47c-151c80250627 27/06/2025, 19:36 View bp-5f22bdbd-b854-4b51-bd86-afbb50250627 27/06/2025, 19:36 View bp-f65f225d-174a-41e9-95f7-7ece70250627 27/06/2025, 19:36 View bp-50410662-eb43-42ed-97be-bf6210250627 27/06/2025, 19:36 View bp-6dee9830-45cb-410e-a87e-773bb0250627 27/06/2025, 19:36 View bp-ca25d1ef-070e-4ce6-a73c-2b14b0250627 27/06/2025, 19:36 View bp-d79e83af-fd2b-423d-a09c-4acda0250627 27/06/2025, 19:36 View bp-9cb3cd47-041a-40bb-b2b7-83a590250627 27/06/2025, 19:36 View bp-1c19866b-4f4a-43ab-a3dc-9edb00250627 27/06/2025, 19:36 View bp-fc5ae5de-e853-4bdb-a708-346e70250627 27/06/2025, 19:36 View bp-176866c1-24c2-427c-a81f-13a220250627 27/06/2025, 19:36 View bp-b0fc5d63-bed4-4b7a-8a5c-d80bd0250627 27/06/2025, 19:36 View bp-02859c7f-bd83-44fd-9bdf-06ae60250627 27/06/2025, 19:36 View bp-a8f92bcd-5c50-4e9a-b703-5cadc0250627 27/06/2025, 19:36 View bp-df4ca01f-2f83-43b7-8dc8-675760250627 27/06/2025, 19:36 View bp-755006c8-5022-4565-b1c9-229fc0250627 27/06/2025, 19:36 View bp-e1ba7f82-7f9b-48aa-bf87-9ea820250627 27/06/2025, 19:36 View bp-4e1e3562-41a9-467f-9348-1451c0250627 27/06/2025, 19:36 View bp-9fe603ee-9ccf-4ba8-b509-9ab510250627 27/06/2025, 19:36 View bp-3b1af323-18a9-432f-b66e-4c5b50250627 27/06/2025, 19:36 View bp-1243e884-8c6f-467d-84ff-e38430250627 27/06/2025, 19:36 View bp-43316616-dc38-4b49-a055-5df080250627 27/06/2025, 19:36 View bp-434c3d34-be44-4920-87cd-2d5430250627 27/06/2025, 19:36 View bp-facfb8a8-79aa-4ec0-85a8-a049a0250627 27/06/2025, 19:36 View bp-d60fbdb8-d4df-4cc9-9f72-3c01b0250627 27/06/2025, 19:36 View bp-f77bf0f3-cd8a-4220-acc0-3f2b90250627 27/06/2025, 19:36 View bp-0762b172-9d73-45e8-a819-c45dc0250627 27/06/2025, 19:36 View bp-f62f40f2-40e6-470f-9496-f0b9b0250627 27/06/2025, 19:36 View bp-8bbbf026-f859-48dd-9908-b85b40250627 27/06/2025, 19:36 View bp-4bb63b22-7f6e-47e5-8f68-f70370250627 27/06/2025, 19:36 View bp-87ed98d7-b352-45db-baca-77ce50250627 27/06/2025, 19:36 View bp-49de5c65-e413-43c3-b466-7fd790250627 27/06/2025, 19:36 View bp-6c4dd05d-bd1f-45e8-baf1-365040250627 27/06/2025, 19:36 View bp-9f52374b-6674-441d-a231-0a2630250627 27/06/2025, 19:36 View bp-3a23478b-78bb-4a33-9082-8c8940250627 27/06/2025, 19:36 View bp-48c65a36-6aab-402b-b4b6-6d4e40250627 27/06/2025, 19:36 View bp-8d521150-3deb-4086-a5b5-cda470250627 27/06/2025, 19:36 View bp-193f8e9f-29ed-423a-b866-51ffe0250627 27/06/2025, 19:36 View bp-215c7286-8892-43a0-9b8e-61f650250627 27/06/2025, 19:36 View bp-a5bc5f3b-83d4-4d8d-9551-196770250627 27/06/2025, 19:36 View bp-b3e0308b-5fcd-4fc2-b429-d465b0250627 27/06/2025, 19:36 View bp-4c4dbf57-f0f3-42ca-8fc0-be8240250627 27/06/2025, 19:36 View bp-789277e5-74d5-45a0-a758-c6a3c0250627 27/06/2025, 19:36 View bp-a0b8e1e7-dcd2-4b0a-adc0-f96d90250627 27/06/2025, 19:36 View bp-7d88624c-d582-4c99-814b-d65650250627 27/06/2025, 19:36 View bp-93cbe7c3-e196-4278-ba64-58af30250627 27/06/2025, 19:36 View bp-7e8a3753-00f5-41a1-975e-7cff60250627 27/06/2025, 19:36 View bp-da414002-ff2e-492b-b995-5c3a50250627 27/06/2025, 19:36 View bp-5fbc6e8c-2751-4221-babf-227870250627 27/06/2025, 19:36 View bp-d24f66c6-87a1-4bf2-a6d7-6680c0250627 27/06/2025, 19:36 View bp-372e81f6-65cf-4b5c-97d4-efd9b0250627 27/06/2025, 19:36 View bp-3200b974-e6ed-40e2-b58c-d69380250627 27/06/2025, 19:36 View bp-7b218dca-42fc-417c-bc10-d51c50250627 27/06/2025, 19:36 View bp-97030a63-ab3f-4ca5-93a2-708670250627 27/06/2025, 19:36 View bp-13a185d3-ec22-48cb-82c6-f6fe10250627 27/06/2025, 19:36 View bp-ec2cc792-e137-49f9-bd57-dda1a0250627 27/06/2025, 19:36 View bp-1f12c2d3-c442-4292-a35e-da0280250627 27/06/2025, 19:36 View bp-d9d82458-4957-494c-a9eb-3add70250627 27/06/2025, 19:36 View bp-c0616b6e-331c-4291-8013-2a2850250627 27/06/2025, 19:36 View bp-be06bda1-f116-4bc1-9f14-abfe90250627 27/06/2025, 19:36 View bp-6b1d4caf-b4af-4e30-994d-d5a430250627 27/06/2025, 19:36 View bp-60b3c7e6-144b-4098-92e5-831800250627 27/06/2025, 19:36 View bp-d61297c5-2aab-4539-bbb7-d23500250627 27/06/2025, 19:36 View bp-4f8698c5-f0d4-4c73-9b9c-6e38e0250627 27/06/2025, 19:36 View bp-20b41791-24f7-4a38-ad4e-8d5120250627 27/06/2025, 19:36 View bp-cb046626-e151-4500-a2c9-aea6a0250627 27/06/2025, 19:36 View bp-0488ba5e-d501-4af5-85c2-300450250627 27/06/2025, 19:36 View bp-920c6aef-27b5-4488-a53d-6d1be0250626 26/06/2025, 15:41 View bp-b6fdbc92-7b67-4f77-b321-e45b50250625 25/06/2025, 15:43 View bp-2ceb5628-e678-4308-8385-728740250624 24/06/2025, 08:58 View bp-decd0fcf-41ef-4a65-848e-1c4c30250624 24/06/2025, 08:55 View bp-0b15c7bc-4362-47f7-a539-430a20250621 21/06/2025, 22:44 View bp-eb6c44dd-34ed-4c70-9009-c1a370250621 21/06/2025, 06:27 View bp-4b6c73a4-0ece-42f1-b463-999eb0250620 20/06/2025, 09:21 View bp-92de4885-83b9-46c2-ba23-9e8320250619 19/06/2025, 02:19 View bp-719573e4-1c08-4e6d-a3aa-7f8250250618 18/06/2025, 18:15 View bp-3f62014f-3129-4207-8389-cbbb50250618 18/06/2025, 07:50 View bp-cc4a39da-9088-41eb-8019-d732d0250612 12/06/2025, 21:33 View bp-108c6971-5967-4250-bb34-2200d0250608 08/06/2025, 05:28 View bp-2d526a3d-c446-4e5e-9ee7-af47b0250530 30/05/2025, 10:20 View bp-ac606468-2554-4e48-a46a-8c8ad0250518 18/05/2025, 13:26 View bp-1fb3425e-48cf-4bb1-828e-f14070250517 17/05/2025, 02:44 View bp-c3363751-2a51-40cb-b926-880d20250517 17/05/2025, 02:44 View bp-2ac97601-9f06-41b2-9ac5-f84750250517 17/05/2025, 02:44 View bp-cb32670c-ade8-4ed0-be43-e32f40250517 17/05/2025, 02:44 View bp-b5c17b3d-c49c-424e-88bc-37ef70250517 17/05/2025, 02:44 View bp-db6f3dfa-e5df-4b20-83c1-add5c0250517 17/05/2025, 02:44 View bp-4c5fca66-c644-4d91-babc-7958d0250517 17/05/2025, 02:44 View bp-c8acb6ae-4ee3-4bd1-be02-733f90250517 17/05/2025, 02:44 View bp-e0f3b1ad-a11d-407f-961b-e17b50250517 17/05/2025, 02:44 View bp-36295200-7241-4882-9b2f-4eb770250517 17/05/2025, 02:44 View bp-580c5a86-320b-4753-ba86-a1b520250517 17/05/2025, 02:44 View bp-84843171-8eef-4278-b4b4-7bbfa0250517 17/05/2025, 02:44 View bp-767e8a2a-31f6-461c-984e-375110250517 17/05/2025, 02:44 View bp-3cf9a4c9-e1d6-4e65-8045-3c3bb0250517 17/05/2025, 02:44 View bp-c166ed60-0a3c-4d12-bb6d-0a73e0250517 17/05/2025, 02:44 View bp-34470720-b379-44d7-b98a-f4f450250517 17/05/2025, 02:44 View bp-51cbcd1d-d94c-487c-8306-737460250517 17/05/2025, 02:44 View bp-10213e08-239f-45ee-9027-4a9420250517 17/05/2025, 02:44 View bp-81492bcc-352e-4036-8827-7ac370250517 17/05/2025, 02:44 View bp-cf2fab37-836d-40c9-8e6b-d92740250517 17/05/2025, 02:44 View bp-ea93309a-0136-443e-9095-409d80250517 17/05/2025, 02:44 View bp-922e8cc7-93f7-4b16-b611-4b4140250517 17/05/2025, 02:44 View bp-7e9ac88e-ea40-4663-8dab-f0a090250517 17/05/2025, 02:44 View bp-13775db6-fada-417f-bdde-f5f520250517 17/05/2025, 02:44 View bp-5e41101a-1d86-48a3-968e-17d630250517 17/05/2025, 02:44 View bp-6d782463-f1e0-488e-958b-50f200250517 17/05/2025, 02:44 View bp-e31fa817-7914-4ca9-b045-d8a550250517 17/05/2025, 02:44 View bp-0080eaa0-9b74-443b-9bfb-66dc80250517 17/05/2025, 02:44 View bp-dae32dd2-c608-4386-b4ec-2472d0250517 17/05/2025, 02:44 View bp-20bbc818-f0bb-49fc-b4da-a0bc70250517 17/05/2025, 02:44 View bp-3e20bf52-d121-4ebf-ae49-c9afe0250517 17/05/2025, 02:44 View bp-7b3e0872-cd67-4e3c-8a16-3f3550250517 17/05/2025, 02:44 View bp-f68a4402-e1f0-4643-9c61-2de040250517 17/05/2025, 02:44 View bp-c7be45f9-0caa-4f72-ad07-d231e0250517 17/05/2025, 02:44 View bp-0b9f51d1-ce79-40be-9a9e-25f9f0250517 17/05/2025, 02:44 View bp-6b42542a-a171-4df2-a695-82c000250517 17/05/2025, 02:44 View bp-7d1831e0-8f43-465a-8a46-fdda40250517 17/05/2025, 02:44 View bp-89069e75-ba08-415b-b7b4-4d1320250517 17/05/2025, 02:44 View bp-48a2c0d4-8732-49bf-872b-310db0250517 17/05/2025, 02:44 View bp-ed7f026b-6e57-4281-84b1-1446f0250517 17/05/2025, 02:44 View bp-e304a61e-095f-44eb-b337-633cd0250517 17/05/2025, 02:44 View bp-a0a983bf-de44-4a9e-9851-d352f0250517 17/05/2025, 02:44 View bp-1bdceb91-0257-459e-af86-0e9250250517 17/05/2025, 02:44 View bp-5bc42e9b-049f-45b1-ab81-430e80250517 17/05/2025, 02:44 View bp-05578cfb-3080-4a42-ac48-667ae0250517 17/05/2025, 02:44 View bp-8c5ad467-4b8d-43f4-b145-adbbe0250517 17/05/2025, 02:44 View bp-03e58134-384f-4a7e-827d-113f80250517 17/05/2025, 02:44 View bp-ad46ccf8-cbd8-4f6e-a9dc-7986b0250517 17/05/2025, 02:44 View bp-27bc2867-2ff8-41ff-ab74-1a42f0250517 17/05/2025, 02:44 View bp-c7c31e0f-f4fa-4963-813a-61df20250517 17/05/2025, 02:44 View bp-764f7528-5867-4651-81ad-c91480250517 17/05/2025, 02:44 View bp-0ea2330f-9034-48bd-8cff-1a4680250517 17/05/2025, 02:44 View bp-ac97311c-09f6-4527-9523-4cb540250517 17/05/2025, 02:44 View bp-9575dbd0-84e3-41ad-a472-e62f50250517 17/05/2025, 02:44 View bp-a5f1b4af-2024-40a9-a138-2028a0250517 17/05/2025, 02:44 View 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I successfully built Firefox v135 from source for the RISC-V architecture and created a .deb package. After installing the package, Firefox launches correctly, but perfor… (read more)
I successfully built Firefox v135 from source for the RISC-V architecture and created a .deb package. After installing the package, Firefox launches correctly, but performance is significantly degraded—especially during video playback, where it becomes very laggy.
Upon inspecting about:support, I noticed that under the "Compositing" section, it shows WebRender (software), and CPU usage is extremely high. Additionally, WebGL 1 and WebGL 2 are not available, despite the presence of a dedicated GPU Hardware and its driver.
During the build process, Firefox required LLVM v14 as a dependency. It appears that this setup defaults to using LLVMpipe, which results in software rendering and prevents the OpenGLES driver from being utilized, leading to the fallback to software WebRender.
In contrast, I tested another .deb package of Firefox built specifically for the VisionFive2 (JH7110) board. In that case, the "Compositing" section correctly shows WebRender (without the "software" tag), and both WebGL 1 and WebGL 2 are available, indicating proper GPU Hardware acceleration.
Could anyone guide me on how to enable hardware-accelerated WebRender and ensure that Firefox uses the GPU instead of falling back to software rendering?
Please find the "about:support" page in the attached Troubleshooting Information.xhtml file. Kindly do let us know if there's any further information needed.
Thanks in advance, Saiteja