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  • Đã giải quyết

Full screen goes darker after about 5 seconds

Hope someone can help. When I use full screen for some websites, it darkens after about 2 - 5 seconds and my cursor also becomes harder to move. This only started to ha… (xem thêm)

Hope someone can help.

When I use full screen for some websites, it darkens after about 2 - 5 seconds and my cursor also becomes harder to move. This only started to happen recently.

It is not my computer settings, I've tested this in Safari and it works normally. This makes videos unwatchable. It is like a dark screen suddenly appears over the video and only comes off if i move the cursor. It happens with netflix and prime but not youtube, udemy.

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  • Đã giải quyết

Firefox 95.0.2 crashes at start in safe-mode

Firefox 95.0.2 always crashes at start, even in safe-mode. This has occured after the update to MacOS Monterey 12.1. What can I do? I will be happy for any help!

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  • Đã giải quyết

After Upgrade to Mozilla Firefox 96.0.1 (Latest Version) Firefox unable to connect..........

Just to advise after the recent update to Mozilla Firefox v96.0.1 there was a problem with Internet connection not then being available from Firefox. For extra privacy I … (xem thêm)

Just to advise after the recent update to Mozilla Firefox v96.0.1 there was a problem with Internet connection not then being available from Firefox.

For extra privacy I have Win 10x64 Pro set to the free Cloudflare free use DNS settings of 1.1.1.1 and 1.0.0.1 and this has worked just fine for several months now.

However, since the update as above, Firefox could no longer connect to the Internet.

However, my other Browsers: SeaMonkey and Tor worked just fine.

For security reasons, I never use Chrome, Edge or Safario, as they are basically insecure.

Thinking there was a router problem, I reset that with the pin through the reset hole at the rear, and rebooted the PC.

No further ahead, and I knew it was not a Malware problem either, as I use very good AntiMalware Software.

I switched off the fiber box for 10 minutes, restarted it, no change, Firefox still could not connect.

Aha, a look through the Firefox Settings > Network and checked the DNS setting, which had been default set by Firefox to "CIRA Canadian Shield (By Default)" - That was NOT the setting I had placed into the Win10 Operating System.

Cloudflare was the second option there, so I selected that.

I didn't try the third option of "Next DNS".

Saved the setting (Option 2 Cloudflare)

Rebooted the PC, and no further troubles.

That CIRA Canadian Shield (Default) by Firefox was a trap I hadn't run into.

Just thought you may wish to put this in an appropriate place, as a warning to others.

Experienced with all Windows O/S since 1993, every style of O/S Microsoft has had available, plus much other Software.

This is the first unexpected problem ever I've had with Mozilla Firefox.

I run this PC 24/7, never turned off except for a reboot.

I can run some Firefox 25+ Windows and a total of over 150 Tabs, Run SeaMonkey and Tor with over 100 Tabs between them, and can still do other work.

Pleaty of RAM and SSD's for Operating Systems, backup to HDD's for longevity.

Still using 20+ year old HDD's still good, but they don't thermally cycle (Always on except for reboots), and I am interested to see how long before a failure of one of them =- I just stor DATA on these old HDD's (Copy from elsewhere, so it doesn't matter if I have a failure of an old HDD.

Cheers from a Far-Away-Land (Zealandia SupraContinent)

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  • Đã giải quyết

Secure Connection Failed on Firefox 98 (SEC_ERROR_LIBRARY_FAILURE)

Greetings. I can't open most sites I usually visit (even google.com) via my Firefox 98.0a1. This happens since today. All error codes are SEC_ERROR_LIBRARY_FAILURE. Tried… (xem thêm)

Greetings. I can't open most sites I usually visit (even google.com) via my Firefox 98.0a1. This happens since today. All error codes are SEC_ERROR_LIBRARY_FAILURE.

Tried to:

  • Disable DNS-over-HTTPS.
  • Disable HTTP/3.
  • Disable proxy (never had it enabled anyway).
  • Disable sending info to Firefox developers.
  • Change settings of DNS-over-HTTPS.
  • Restart the browser (after each action).

Nothing helps me... But I still can visit some websites, but most common resources are not working for me. Please help me because I can't use Microsoft Edge without getting mentally ill. :/

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  • Đã giải quyết

Unable to login after Firefox updated to 96.0

Hi Team, After updating to Firefox version 96.0, we are unable to login to our application, after pressing login button our login page is getting refreshed. From warnings… (xem thêm)

Hi Team,

After updating to Firefox version 96.0, we are unable to login to our application, after pressing login button our login page is getting refreshed. From warnings it looks like a Cookies issue. As 96 version has SameSite:Lax as default but we are setting SameSite:None; secure; but it is not working.

Kindly help us.

Thanks & Regards

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  • Đã giải quyết

Firefox opens with blanks screen will not load tabs, options, about:config won't work.

This is going to be long sorry. A lot has transpired My son was using 78.15esr. I upgraded it to 91.3esr. After the upgrade the browser worked; tabs loaded, surfing was … (xem thêm)

This is going to be long sorry. A lot has transpired

My son was using 78.15esr. I upgraded it to 91.3esr. After the upgrade the browser worked; tabs loaded, surfing was fine, could go into settings and about:config was fine.

He went to watch something on Netflix. Netflix complained his browser was not supported and he needed to upgrade to the latest version - which at the time was 91.3esr.

In frustration he installed Chrome. When he tried to run it he was told software restrictions were in place. I had not set any restrictions, and I checked secpol.msc and there were definitely no path rules defined. If restrictions can be set in group policy I had not set them because I am unaware of them.

So he installed Microsoft Edge, which installed VC runtime for 2013 and 2015-2019 for both x64 and x86.

At that point Firefox no longer loads tabs at all. About:<anything> doesn't work. Settings doesn't work. You can't go to safe mode (more on that later), and when closing the browser two processes remain taking about 60 seconds to end.

I did have the group policy templates for Firefox installed. When I upgraded to FF 91 I installed the latest templates.

A couple of times when I started FF it complained about vcruntime140 was missing. But just running FF again worked without doing anything else.

So I reverted to 78.15; I uninstalled v91.3esr. I deleted his profiles.ini and profiles folder and then copied them back from a back up. I removed any registry settings, and copied back the v78 ADML files. I then installed v78.15esr with internet disconnected. Did not run FF after install. Went into group policy editor and turned off telemetry and auto updates then re-enabled internet

Run FF and same issue. tabs not loading. Pages not loading. I can click on a menu and I can type into navbar and search bar but there is no response. I checked internet was working.

I deleted the %LOCALAPPDATA% cache folders. I flushed the DNS cache. None of this worked.

So I uninstalled FF again, deleted the profile folders and ini. Disconnected from Internet. Deleted any registry settings, and removed the group policy templates. Then installed 78.15 from scratch and let it create a new profile.

Same darn problem. It seems to me that installing chrome and/or edge has done something nasty, but I have no idea what. I say that because before he did that he could surf the web, but Netflix just said his browser ver was outdated.

I tried contacting netflix on chat but they were worse than useless.

So I uninstalled again and removed everything. Connected the internet and installed FF again and let it update automatically. Same problem.

I've left him with edge but I need to fix FF.

I even uninstalled the VCLibs, Chrome and Edge. These did not fix the problem.

I tried safe mode but when firefox restarts there are two processes that take 60+ seconds to end so FF sits there saying "restarting...". When those processes finally end Firefox does not restart.

Checked for viruses; nothing found. Rebooted PC several times.

So at this point in time; FF will run but will not load the 3 tabs; Facebook, Netflix and youtube. They stay blank. Settings is not accessable, nor is addon's or logins and passwords. Typing anything on the search bar does nothing Typing anything in the address bar does noting Trying about:config or about:profile or any other about's does nothing. When closing FF two processes take 60+ seconds to end.

If I go back to him and tell him I need to reinstall Windows he will go absolutely nuts.

What also worries me is that Netflix said that the most recent esr browser version was not supported and that he should update to a later version.

And what is even more troubling is I updated his girlfriends PC at the same time and hers works perfectly. This scares the hell out of me because I then expect responses like "Your sons problem is not a firefox problem".

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  • Đã giải quyết

opening websites with Firefox

OK, this is a little funny. It used to be, if I wanted to open a website, I just clicked on the URL, and Firefox would open with it. Now (and I'm using 95.0.2 on iMac Big… (xem thêm)

OK, this is a little funny. It used to be, if I wanted to open a website, I just clicked on the URL, and Firefox would open with it. Now (and I'm using 95.0.2 on iMac Big Sur), when I click on the the URL NOTHING HAPPENS if a Firefox window isn't already open. That is, you have to have a Firefox window already open in order for the website to appear. For example, in the Bookmark library, if a Firefox window isn't already open, clicking on a website there won't open it. You need to right click it and select OPEN. Now, Firefox is selected already as the default browser for the system.

How do I fix this? I mean, how do I get it back the way it used to be?

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  • Đã giải quyết

Extensions not working

Hi Mozilla Community, As of a couple of days ago, I've had trouble with my Firefox Extensions. The most apparent one being ads appearing on the sites I browse (I have the… (xem thêm)

Hi Mozilla Community,

As of a couple of days ago, I've had trouble with my Firefox Extensions. The most apparent one being ads appearing on the sites I browse (I have the Adblock extension installed and active). The extension that reveals the "dislike" ratio on Youtube only works if I disable and then enable the extension, for each video I watch. My entire extensions toolbar seems faulty as well.

I've attached images to illustrate: - Rakuten just appears as a blank box upon clicking it - Video downloader extensions just appear as a white line (doesn't open at all) - Bitwarden (password manager) says "not available in private mode", even though I'm not using a private window

Any help would be greatly appreciated. Thanks, Matt

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  • Đã giải quyết

Firefox tab crashes repeatedly for particular website

Firefox tabs crash repeatedly for a particular email website that I am using. Specifically, the tab crashes when I click on an link to open an email and see the email con… (xem thêm)

Firefox tabs crash repeatedly for a particular email website that I am using. Specifically, the tab crashes when I click on an link to open an email and see the email contents. The tab will not crash every single time, just occasionally (i.e. sometimes I am able to read an email without the tab crashing, other times not). I do not think that the timing of the crashing has anything to do with the email contents (e.g. length, format). I also do not think that the tab crashing issue is happening for any other websites. The crashing started recently, sometime late December.

I installed the latest version of Firefox, and I cleared the web cache, but nothing has changed.

Any suggestions?

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  • Đã giải quyết

Addons Seem to be Broken Lately

I have been unable to figure out how I've managed to make my addons no work properly. I've tried running them in debug mode, but I'm not particularly adept in debugging a… (xem thêm)

I have been unable to figure out how I've managed to make my addons no work properly.

I've tried running them in debug mode, but I'm not particularly adept in debugging addons.

I've reset Firefox back to default a few times, addons seem okay, and then as soon as my Firefox account syncs and installs my installed addons they go back to wonky.

I can't seem to attach images RN, Firefox (Nightly) crashes every time I click on the button.

The behavior can be described as the addons when clicked have a blank page as their contents, and some addons (Like Dark Reader) just have like a sliver of a drop down with no contents.

If you'd like me to grab some debug data from wherever just let me know.

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  • Đã giải quyết

Crashing frequently

Can someone help me fix recent frequent crashes ? This is just yesterday. I tried troubleshooting mode and it didn't happen there, although I didnt give it a long trial. … (xem thêm)

Can someone help me fix recent frequent crashes ? This is just yesterday. I tried troubleshooting mode and it didn't happen there, although I didnt give it a long trial. I deleted all extensions, and I reset Firefox. Any ideas?

bp-78bbf7fb-3f18-46e1-94de-d905c0211101 10/31/21, 9:41 PM View bp-5cb5b831-449e-4322-9a9e-710180211031 10/31/21, 2:25 PM View bp-3ebfce66-105b-4e4b-83ec-7c8ff0211031 10/31/21, 2:25 PM View bp-8bdc92ef-03bf-49ad-945d-5afe50211031 10/31/21, 2:25 PM View bp-45918706-804f-4603-9671-97c4a0211031 10/31/21, 2:25 PM View bp-09f0ab0d-e132-4ada-bb22-7dd640211031 10/31/21, 2:25 PM View bp-8cc2a647-4aac-4b06-8747-a181f0211031 10/31/21, 2:25 PM View bp-07df9cae-d45a-4ce2-944c-c123e0211031 10/31/21, 2:25 PM View bp-9cca543f-1c82-4fe9-979b-56a5f0211031 10/31/21, 2:25 PM View bp-0b0f8e3f-6592-4ea4-9d23-179040211031 10/31/21, 2:25 PM View bp-1175d7ce-ab80-4b6e-8dad-90cc50211031 10/31/21, 2:25 PM View bp-c5f88f0d-0419-44da-b058-fc7580211031 10/31/21, 2:24 PM View bp-73f726b5-cc90-474e-b7ac-e44df0211031 10/31/21, 12:20 AM View bp-deaea811-9e7a-409c-9eda-aa9600211030 10/30/21, 9:51 AM View bp-d045b5e5-b53d-43a7-8e06-1592c0201127

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  • Đã giải quyết

Change to about:config cache directory not saved

I moved my Firefox installation to a new machine. After creating a new profile and moving all my old files Firefox has opened with all of my old info and is operating pr… (xem thêm)

I moved my Firefox installation to a new machine. After creating a new profile and moving all my old files Firefox has opened with all of my old info and is operating properly.

But when I tried to change the location of the cache file to the correct drive on my new machine the about:config file does not save the new entry. When Firefox is closed and re-opened the new entry has been reset to the old location.

I've tried deleting the browser.cache.disk.parent_directory entry in about:config but when the program is re-opened the entry returns with the old directory shown.

Any advise would be appreciated.

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  • Đã giải quyết

Backup and restore information in profiles

Hi, Happy New Year! Finally I took a deep breath and hoping for no major surprises and bugs, I finally updated Firefox to the latest version. I have a few questions: 1. … (xem thêm)

Hi, Happy New Year!

Finally I took a deep breath and hoping for no major surprises and bugs, I finally updated Firefox to the latest version.

I have a few questions:

1. As advised, every month I backed up info in the profile, following https://support.mozilla.org/en-US/kb/back-and-restore-information-firefox-profiles Is there an up-to-date version of these instructions as the prior ones no longer work (menus were changed, Troubleshooting works differently, etc.).

2. Does the "Allow for session" option for cookies work and if so, what does it do?

3. Is there a way to change the way the TABs look now (washed out, white, very hard to see and differentiate, hard to see which one is the one I am looking at). I am wondering what is the perceived benefit of this change. In the old version I had, the tabs very clearly delineated and easy to see.

4. Where can I find a listing of the enhancements and major changes of the versions released since mid year 2021, from an end user perspective?

Thanks.

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  • Đã giải quyết

why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360?

why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360? FireFox is set to open a new tab, not new windows, so I do not know why… (xem thêm)

why is FireFox 95 opening multiple windows on startup with Windows 10, Roboform, & Norton 360? FireFox is set to open a new tab, not new windows, so I do not know why it is doing this? I see lots of people asking this question, but there is no guidance online. What is up? This is causing FireFox to use way too much resources, and slows the computer.

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  • Đã giải quyết

Hi - am now encountering IRRESOLVABLE difficulties DOWNLOADING files after Firefox would just NOT close not matter what I did.....

(SECOND occurrence of this problem; not sure HOW previous instance resolved - my short-term memory ISN'T the best at present!) Have taken all recommended steps short of … (xem thêm)

(SECOND occurrence of this problem; not sure HOW previous instance resolved - my short-term memory ISN'T the best at present!)

Have taken all recommended steps short of completely refreshing (renamed a file titled 'config.json.old' as it was the ONLY one with a 'json' filepath suffix) because I don't want to have to relocate (another) existing session / configured profile by trial & error if avoidable - 'cookies' were removed along with history / cache cleared; reset / deleted related browser registry entries as directed, activated ' Troubleshooting / Safe Mode' contingency and STILL can't download anything (additionally, tried to do so with and without limited-time Malwarebytes web protections).....want to CONTINUE using Version 95 because by ALL indications and from what I'm seeing in Comments, my instincts about newer ones - were sound, WELL-informed.....please advise ASAP? Thanks!

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  • Đã giải quyết

Firefox Fails to Start After the First Time

Firefox will start once (maybe) and then it makes no difference where I click from (tray, programs, desktop shortcut) Firefox refuses to boot up. I've tried re-installing… (xem thêm)

Firefox will start once (maybe) and then it makes no difference where I click from (tray, programs, desktop shortcut) Firefox refuses to boot up. I've tried re-installing multiple times. If I reboot, it will start. Also sometimes I will get a New tab but the page/URL never comes up. Firefox just hangs. I'm running Windows 11.

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  • Đã giải quyết
  • Đã giải quyết

Firefox crashing when rendering maps

For the past two weeks, I've noticed that embedded maps make my browser immediately crash. I initially thought it was a Firefox problem, but I have been having a similar … (xem thêm)

For the past two weeks, I've noticed that embedded maps make my browser immediately crash. I initially thought it was a Firefox problem, but I have been having a similar issue with Safari. This does NOT happen on my iPhone using the same two browsers. This also does not seem to effect Google Maps or embedded Google Maps, but embedded maps from other services. Anyway, I'm posting here because Firefox conveniently provides crash data, I'm not sure what else the cause could be and I'm hoping someone can help.

Two websites this has been consistently happening with are The Empire State Trail bike path (https://empiretrail.ny.gov/) and a NYC vaccine finder website (https://vaccinefinder.nyc.gov/). Firefox immediately crashes, though with the EST website it seems to be tied to the pathway of the trail being drawn (crashing after I've zoomed in a few times and the path has to regenerate). Safari doesn't totally crash, but forces a site reload and after it fails a second time says it can't display the site.

Any ideas what the issue could be? I'm on the latest version of Catalina (10.15.7), Firefox and Safari and seem to have all security updates for all.

Here's a link to the latest crash data: https://crash-stats.mozilla.org/report/index/1389c870-51cf-4790-b0a0-fd01f0211202

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  • Đã giải quyết

No pages are loading AND settings menu does not open

Hi, The program SEEMS to start but Firefox does not load one singel page. I get no errormessage but firefox does not even try to open pages. Also, if I try to go into "… (xem thêm)

Hi, The program SEEMS to start but Firefox does not load one singel page. I get no errormessage but firefox does not even try to open pages.

Also, if I try to go into "settings" nothing happens (no errormessage, but settings does not open).

I have tried to uninstall and reinstall Firefox. Does not help.

If I try some other bowser everything works fine. The problem started after I did a total uninstallation of Office365 (does not need to be depending on it but it could be a connection).

Have searched the web without finding a solution and now I ask for help here, I really do want to keep using Firefox but currently it is impossible.

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  • Đã giải quyết

I got an email, is it fake?

email from mozilla@email.mozilla.org text: For real — it's terrifying how much we don’t know about Facebook. The social media giant has almost 3 billion users (and tracks… (xem thêm)

email from mozilla@email.mozilla.org

text:

For real — it's terrifying how much we don’t know about Facebook. The social media giant has almost 3 billion users (and tracks many more), but this year we've seen yet again how the secretive way it operates is dangerous for all of us.

By keeping us in the dark about how it combats misinformation, who's paying for ads and how social media affects our mental health, Facebook actively stops us seeing when it’s causing harm.

But here’s the thing: we're not going to just accept it.

It's true — Facebook's secrecy puts us all at risk. To keep us safe, we urgently need it to be open and accountable. Chip in now to join the fight, it takes 1 minute:

  • button* Yes, I’ll chip in now

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