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

I am still on windows10..Recently have used firefox much less. Today when tried it says that firefox is running and the new try is (3) which is on the task manager. Dele… (read more)

I am still on windows10..Recently have used firefox much less. Today when tried it says that firefox is running and the new try is (3) which is on the task manager. Deleted it and tried again same thing. Removed firefox and tried to reload and it wull not load...says it has problems.. May never use firefox again. [removed phone# from public support forum]

Asked by Robert Oakes 1 month ago

Last reply by jonzn4SUSE 1 month ago

Logins and password losts

My profile is not able to recover saved password. Logins.json file copied in the new profile but password not visible. In the default profile logins.json.corrupt appeared… (read more)

My profile is not able to recover saved password. Logins.json file copied in the new profile but password not visible. In the default profile logins.json.corrupt appeared. I am looking for a procedure to recover information in corrupted profile. Can you help?

Asked by Testone99 2 months ago

Last reply by cor-el 2 months ago

Firefox relay

Is Firefox relay free? It says so here, Activate Firefox Relay - Mask your email address I decided to try it out. I was exploring it, seeing if I could create a mask wi… (read more)

Is Firefox relay free? It says so here, Activate Firefox Relay - Mask your email address

I decided to try it out. I was exploring it, seeing if I could create a mask with a chosen name, and now it says I used up all my free masks.

Since that's the case,. can I still choose the one of those I unwittingly created? Maybe there should be some kind of disclaimer?

Asked by noel_envode 2 months ago

Last reply by TyDraniu 2 months ago

Bookmarks Toolbar and Bookmarks menu (mozilla firefox bookmark folder) both on the left side

I would like my Mozilla Firefox bookmarks to stay on the left side and my bookmark toolbar on the right side (just like it used to be). Now both Bookmark toolbar and Mozi… (read more)

I would like my Mozilla Firefox bookmarks to stay on the left side and my bookmark toolbar on the right side (just like it used to be). Now both Bookmark toolbar and Mozilla Firefox bookmarks are on the left side , and I can't even search a Mozilla Firefox bookmark using the search window.

Please help. Regards. E.C

Asked by emoveo.ca 4 months ago

Last reply by zeroknight 4 months ago

Please add better support for .mp4 video playback.

Hello, can you add better support playback on .mp4 videos? Seems with Firefox it's a hit-and-miss with some .mp4 videos that will play and some that will just show "No … (read more)

Hello, can you add better support playback on .mp4 videos? Seems with Firefox it's a hit-and-miss with some .mp4 videos that will play and some that will just show "No video with supported format and MIME type found".

All other browsers will play .mp4 videos without an issue but Firefox won't.

If you can provide better .mp4 playback support that would be greatly appreciated. Thanks

Here's one of those videos for an example: https://drive.google.com/drive/folders/1Fv6SdftiCXeYPQOdF17H2JNpwjMu9P7q


Pretty much a URL string like example.com/videosample.mp4

Asked by DestructiveBurn 3 months ago

Last reply by James 3 months ago

How can i update my Mozilla Firefox

I trust this message finds you well. I am currently using Mozilla Firefox as my preferred web browser and I'm interested in ensuring that I have the latest version instal… (read more)

I trust this message finds you well. I am currently using Mozilla Firefox as my preferred web browser and I'm interested in ensuring that I have the latest version installed for optimal performance and security.

Could you provide a step-by-step guide on how to update Mozilla Firefox to the latest version? I'm curious about the frequency of updates and whether the process varies for different operating systems I'm using windows.

Additionally, I'd like to understand if there are any precautions I should take before initiating the update, such as saving bookmarks or ensuring compatibility with installed extensions.

Furthermore, are there any notable features or improvements in the latest version that I should be aware of? I want to make the most of the browser's capabilities and stay informed about any enhancements.

Thank you in advance for your assistance. I appreciate your expertise in guiding me through the Firefox update process.

Best regards,

Asked by Karla withak 4 months ago

Last reply by Paul 3 months ago

Stop Google "Sign-in" Pop-ups

Since pretty much the beginning of the internet, pop-ups were deemed a significant annoyance, so much so it diminished and ruined the users’ browsing experience and signi… (read more)

Since pretty much the beginning of the internet, pop-ups were deemed a significant annoyance, so much so it diminished and ruined the users’ browsing experience and significantly reduced efficiencies. Hence the addition of pop-up blocking settings to all browsers long ago.

However, for some unknown reason Firefox gives Google a free pass and allows their “sign-in” pop-up that pop-ups seemingly on every website you visit where you then have to then manually close the pop-up on pretty much every single website you visit - even though you have the pop-up blocker setting on ( and the only way to turn off a pop-up blocker is to specifically add a website to allow for pop-ups).

This is absolutely horrible and not acceptable. If you have the pop-up setting on, no pop-up should be allowed to get through no matter what it is or the source. If you allow one pop-up to continue then you should be allowing hundreds of thousands of other pop-ups as well. But you wouldn’t as you know this would be unacceptable, but again, somehow Firefox allows Google’s pop-up to go through and it pop-ups on pretty much every single website you visit.

Note that I selected Privacy and Security Setting as the "topic" above as that is were Firefox has it's pop-up setting (and where you can add exceptions to allow pop-ups for specific websites)

Asked by mg123 4 months ago

Last reply by zeroknight 4 months ago

java script enabling

Attempted to login to Canada Revenue Agency and it told me that Java Script had to be activated in the browser. How do I determine if it is activated and how do I activat… (read more)

Attempted to login to Canada Revenue Agency and it told me that Java Script had to be activated in the browser. How do I determine if it is activated and how do I activate it if it is not. bold text

Asked by gordonellis 2 weeks ago

Last reply by cor-el 2 weeks ago

Don't close tabs on exit

I prefer to have all my previous tabs open when I start up Firefox, which means that I don't want them to close upon exit. Recently, Firefox started closing my tabs upon… (read more)

I prefer to have all my previous tabs open when I start up Firefox, which means that I don't want them to close upon exit. Recently, Firefox started closing my tabs upon exit, even though:

- I tried both hitting the X and choosing Exit from the hamburger menu
- I have checked "Open previous windows and tabs" upon startup in settings
- I have not checked "Delete Cookies and Site Settings when Firefox is closed"

- I have the option "Firefox will remember history" selected

- I do not open in Private Browsing mode

What other settings do I need to change? Debra

Asked by dbarngrover 5 months ago

Last reply by pr0paGandhi 3 months ago

iCloud.com keeps asking for authentication..."Trust Browser" doesn't seem to work

I see a similar question on the forums from March 2021, but I'm having this problem now: when I go into icloud.com, it keeps asking for authentication - i.e. it presents … (read more)

I see a similar question on the forums from March 2021, but I'm having this problem now: when I go into icloud.com, it keeps asking for authentication - i.e. it presents a 6-digit code which goes to my phone/ipad, and I have to put it into the browser. After that, I'm prompted "Do you want to Trust this browser" to which I ALWAYS say "Yes", but it doesn't seem to work; the next day, if I try icloud again, it does it all over, like the "Trust" option is ignored. In settings, "Delete cookies and site data when Firefox is closed" is unchecked, Clicking "Manage Data" shows that cookies for icloud.com are saved. I've just added icloud.com into Exceptions to Allow to use cookies/site data, though I wouldn't think I'd NEED that if I'm never deleting them. I tried this with Chrome, and the Trust DID work; I can sign in with that browser and not have to put in the code.

What's up with that?

Asked by Nathan Elke 3 months ago

Last reply by jonzn4SUSE 3 months ago

Getting to costco.ca blocked during past few days - disabling tracking does nothing!

Getting to www.costco.ca impossible during past few days - disabling tracking does nothing! Tried relaxing most security and tracking settings, still no results. MS Edge … (read more)

Getting to www.costco.ca impossible during past few days - disabling tracking does nothing! Tried relaxing most security and tracking settings, still no results. MS Edge works just fine, like Firefox used to until now. Guess it's time to switch if no other option.

Asked by Gabriel C 1 month ago

Last reply by zeroknight 1 month ago

translate beta uninstall

translate beta: Please help to deinstall this annoying feature. Setting <browser.translations.automaticallyPopup = false.> doesnt do anything. uninstall mozilla and… (read more)

translate beta: Please help to deinstall this annoying feature. Setting <browser.translations.automaticallyPopup = false.> doesnt do anything. uninstall mozilla and re- install again? thanks'

Asked by johkornacher 5 months ago

Last reply by zeroknight 5 months ago

authentication cookie missing for <1% of firefox users

On our online application we are facing with some strange behavior for a small percentage of our firefox users (<1%). When doing oauth2 authorization, after generatio… (read more)

On our online application we are facing with some strange behavior for a small percentage of our firefox users (<1%).

When doing oauth2 authorization, after generation of the authentication token we redirect to another platform but we are detecting that for a small percentage of Firefox the cookie (my_auth_cookie) with the auth token is not present.



GET: https://www.mywebsite.com/application/login Response:

new location https://www.mywebsite.com/otherapplication/redirect


set-cookie: my_auth_cookie expires=Mon, 04 Dec 2023 13:49:15 GMT; domain=.mywebsite.com; path=/; secure; samesite=lax; httponly


      2. GET https://www.mywebsite.com/otherapplication/redirect
          Set-cookie: mycookie: value
          Host: www.mywebsite.com


In cookie tab I see my_auth_cookie (value: xxxx, domain: .mywebsite.com, expires: Mon, 04 Dec 2023 13:49:15 GMT, httponly: checked, secure: checked,SameSite: Lax, partitionkey: empty, Priority: medium



I’ve tried to replicate but without success (with multiple extensions, including multi-account containers), with multiple configurations of Total Cookie Protection.

Again, this only seems to be happening to a very limited number of firefox users but for these, it happens 100% of the time. We see it occurring for versions 119 and 120 but now and then for older versions.

Feedback reports no extensions&addons.


Any ideas on what we could be dealing with? Any help would be greatly appreciated.

Asked by Wilga Cha 3 months ago

Last reply by zeroknight 3 months ago

PlayStation log-on breaks Firefox

For the past few days, when I try to log on to PlayStation on Firefox, the sign-in page sits on a loading swirl after inputting email. There's a clear memory leak shown o… (read more)

For the past few days, when I try to log on to PlayStation on Firefox, the sign-in page sits on a loading swirl after inputting email. There's a clear memory leak shown on Task Manager. The menu bar's right-click doesn't draw properly. FF can't be closed and needs to be terminated. The only extension I have is uBlock Origin disabled for this site.

This website works on Edge.

Attached is the broken menu from right-clicking the menu bar.

Asked by dg.coombes 4 months ago

Last reply by jonzn4SUSE 3 months ago