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Firefox on Windows 10 Loads Multiple Versions of the Same Tab, Limiting Memory (RAM)

Several weeks ago, because it seemed to be a Gmail-tab-only problem, Firefox Support advised us to contact Gmail Support. It is now clear that the problem is with the Fir… (read more)

Several weeks ago, because it seemed to be a Gmail-tab-only problem, Firefox Support advised us to contact Gmail Support.

It is now clear that the problem is with the Firefox browser. The attached screenshot shows an example of an affected tab.

Please fix this. Multiple versions of the same tab waste RAM and other memory, especially on a limited-memory device such as a laptop.

Asked by JandNL 2 months ago

Last reply by JandNL 8 hours ago

The browser crashes frequently

The browser crashes frequently, even if I restore the bookmarks and some necessary plug-ins after reinstalling. there are 3 reports submitted by your interface. report i… (read more)

The browser crashes frequently, even if I restore the bookmarks and some necessary plug-ins after reinstalling. there are 3 reports submitted by your interface.

report id: bp-61a7e2c3-3ce8-4856-9941-587d20211122 bp-e7ef6793-584d-448b-ac6d-1c0a90211122 bp-4a81c954-4ee7-4726-b8cd-7105b0211122

Asked by David 1 week ago

Last reply by David 1 day ago

Firefox reacts slower and becomes sluggish quickly

A few weeks ago I noticed that browsing in Firefox started being slower / sluggish. It usually happens in YouTube or Twitch, but can also happen while scrolling with the … (read more)

A few weeks ago I noticed that browsing in Firefox started being slower / sluggish.

It usually happens in YouTube or Twitch, but can also happen while scrolling with the mouse in wikipedia for example.

Some examples: -When having a Twitch stream open, the stream is running fine, but when clicking and moving the volume slider on the player, it does not move smoothly, and with some delay. -When doing a bit more heavy browsing, sometimes a tab might get "stuck", for example, the twitch stream might start to buffer for a few seconds. I notice the buffering is not related to any bandwidth related issue. -Firefox reacts slower (or with a small delay) while moving between tabs, clicking on links, etc. This usually happens only after a few hours after launching and browsing with Firefox.

Most happen after a while since I launch Firefox. And by a while I mean maybe 2-3 hours, and I don't have a ton of tabs open. It becomes slower much, much faster than it used to in the past.

Now, sometimes it can take Firefox up to 30 seconds to close completely, before I can launch it again.

I had the same Extensions installed before these issues started happening.

I tried uninstalling Firefox completely, then manually deleting the remaining profile folder, and do a fresh install of the latest Firefox version.

I checked the Windows Task Manager, and it shows (14) processes under Firefox. Is this normal? I tried unticking the "Use recommended performance settings" and restarting Firefox, but it still reached (14) processes after a couple of minutes.


I am not sure if it is related to Firefox itself. My computer is 5 years old but functioning properly...

I did not check if similar issues happen on a different browser. I am just so used to Firefox.

I had a few weird bug in Windows 10, but those existed for a good while now, and are not similar to the ones I experience while browsing with Firefox. I didn't notice anything similar while watching video files in a Media Player.

I am not sure if it can be hardware related. All seem to be working properly...


I want to figure out what is causing this. If you need any more information let me know.

Asked by sata 6 days ago

Last reply by sata 5 days ago

firefox keeps rolling back to homepage

firefox keeps rolling back to homepage. It also opens new widows automatically. Please find a solutiion for this, all work is lost because of this. Windows 10, Firefox 94… (read more)

firefox keeps rolling back to homepage. It also opens new widows automatically. Please find a solutiion for this, all work is lost because of this. Windows 10, Firefox 94.0.2 (64-bit)

Asked by sunoj1 1 week ago

Last reply by sunoj1 6 days ago

I deleted all my .sqlite

I followed something in reddit. Now I have all my accounts signed out. This issue has been going because neither for my Temporary Add-on was working nor the buttons I t… (read more)

I followed something in reddit. Now I have all my accounts signed out. This issue has been going because neither for my Temporary Add-on was working nor the buttons I tested. Is there anything to do to prevent this error in the future? I am starting to hate this browser as updates kept on-going and just slowly killing my browser ( especially losing pinned tabs for my important big projects in school )

Asked by hudson.lavida 3 days ago

Last reply by hudson.lavida 3 days ago

Biggest bug in all version Firefox browsers

A very serious bug in all Firefox browsers (it's been around for several years!). If you open multiple tabs (many tabs) in your browser, virtually all settings will not w… (read more)

A very serious bug in all Firefox browsers (it's been around for several years!). If you open multiple tabs (many tabs) in your browser, virtually all settings will not work, e.g. you won't open Options, Menus, various tasks, extensions, won't save your bookmarks, and many other problems. Although the browser opens a page and the Tab works! But everything else is NOT WORKING, even in Safe Mode or Troubleshooting Mode! I've reported this many times: No developer help! Windows 7 x64 Firefof Latest x64 version 20 GB RAM 4xCore CPU

Asked by nnina084 6 days ago

Last reply by nnina084 5 days ago

Firefox 94.02 under MacOS 12.01 regularly crashes

Dear Mozilla volunteer! I recently experience regular crashes of FireFox version 94.02 under MacOS Monterey. I have removed some add-ons and also "probleemoplossingsmodus… (read more)

Dear Mozilla volunteer! I recently experience regular crashes of FireFox version 94.02 under MacOS Monterey. I have removed some add-ons and also "probleemoplossingsmodus" did not help. Furthermore I uploaded various crashreports.

Where can I find help to solve this problem? Or is MacOS 12.01 the culprit and do I have to wait for an update from Apple?

Thanks for tour reaction! Kind regards, Miel van Hutten The Netherlands

Asked by Milowitsch 5 days ago

Last reply by Milowitsch 3 days ago

Firefox blocked my business website.

This morning Firefox decided to block my website! I have spent hours now attempting everything the tutorials have laid out to fix this but I'm still getting error 403 msg… (read more)

This morning Firefox decided to block my website! I have spent hours now attempting everything the tutorials have laid out to fix this but I'm still getting error 403 msg. Have repeatedly cleared history and am almost in tears. Spent many days to have this website perfected for my business and now I can't even access it on Firefox - which was up until today the only browser I use on my pc, ipad or phone for years now. Please help! Sincerely, Almost In Tears Here aka Stefanie H.

Asked by Stefi 1 day ago

Last reply by Stefi 1 day ago

firefox crashed at the end of every download

Firefox always crashes when I download a file. After that, when I reinstalled firefox again, the situation did not go away, but it was fixed only after restarting the com… (read more)

Firefox always crashes when I download a file. After that, when I reinstalled firefox again, the situation did not go away, but it was fixed only after restarting the computer.

I wonder if this was due to hardware or software error? I recently renewed some computer parts.

Crash report: https://crash-stats.mozilla.org/report/index/b48749b1-d5f4-40fa-8ccb-34c9a0211128#tab-details

Any help would be greatly appreciated. Thanks!

Asked by NemesisR4 2 days ago

Last reply by NemesisR4 1 day ago

Firefox Browser welcome pages: don't open as last tab

I have a lot of tabs open and when I start firefox the welcome page is placed as the last tab. I always have to search where I left off. Please open these pages next to … (read more)

I have a lot of tabs open and when I start firefox the welcome page is placed as the last tab. I always have to search where I left off. Please open these pages next to the last used tab. The only other solution I have is to disable this stuff

Asked by g.m10 1 day ago

Last reply by g.m10 5 hours ago

Firefox stops working with google after a short time

Over the past 3 weeks i have have issues with Firefox as it stops being able to function when trying to use google as a search engine and in accessing Google related site… (read more)

Over the past 3 weeks i have have issues with Firefox as it stops being able to function when trying to use google as a search engine and in accessing Google related sites in general.

Here is a scenario to better explain the issue

Once I open Firefox everything will be working as expected until a short time later ( the interval is not fixed but it can happen within minutes of launching the program). If I then attempt to use the "awesome bar" to conduct a search query ( Ex. I type "dogs" into the awesome bar) the properly formatted URL for the seach appears in the awesome bar / address bar (https://www.google.com/search?client=firefox-b-d&q=dogs), the display in the bottom left corner of the application shows "www.google.com" and the activity icon in the tab next to "new tab" cycles from side to side BUT noting else happens. The search results do not display and I am not taken to the search results. The same behaviour happens if I open a new tab and attempt to perform my search using the search field box below the displayed Firefox logo.

If I manually enter a URL or select a bookmark/favourite I am able to access that site without problem. The error seems to be isolated to google only due to the fact that if I attempt the same operation/search as described above but then change the search in engine to Bing or Duck Duck from the options in the drop-down from the awesome bar the search is completed as expected without incident.

I then have to close the application and start the session all over again until it inevitably starts all over again.

This issue is "new" as I have successfully been using Firefox as my default browser for several years. I have only a few extensions installed and none of them new or that would coincide with the start of the problem

Asked by Gary @ Work 6 days ago

Last reply by Gary @ Work 5 days ago

Firefox is crashing when using Google Street Views and when a 3-D picture is loaded in Facebook.

Firefox is crashing when using Google MapsStreet Views and when a 3-D picture is loaded in Facebook. When running in Safe Mode, Google Street Views will function and a Fa… (read more)

Firefox is crashing when using Google MapsStreet Views and when a 3-D picture is loaded in Facebook.

When running in Safe Mode, Google Street Views will function and a Facebook page with '3-D' picture won't crash the browser. This started with the last couple of updates - we're using version 94.0.2 64bit. We check with Safari

Asked by betamax 3 days ago

Last reply by betamax 2 days ago

Firefox use 100% RAM (32 RAM - 128 GB RAM) not matter always FULL (Total Memory Leak)

Firefox uses all RAM, all RAM + High CPU (I have 20 GB and it showed 17 GB RAM usage and crash) always when using Facebook Page (e.g. several hours of using Facebook). … (read more)

Firefox uses all RAM, all RAM + High CPU (I have 20 GB and it showed 17 GB RAM usage and crash) always when using Facebook Page (e.g. several hours of using Facebook).

Asked by nnina084 2 days ago

Last reply by nnina084 2 days ago

Credit card autofill

Firefox has my credit card information and it shows up in a window when I go to pay for something, but when I click on the credit card I want to pay with, it won't autofi… (read more)

Firefox has my credit card information and it shows up in a window when I go to pay for something, but when I click on the credit card I want to pay with, it won't autofill. In Settings, the box to autofill is checked. This has worked a hundred times before, but stopped working a few months ago. How do I get the autofill to start working again?

Asked by dougumbarger 1 day ago

Last reply by dougumbarger 1 day ago

Audio playback of Video not working

Hello there I have a small NAS with various video files on it. Some AVI which work flawless but also some MOV which show but do not play audio. Other chromium based Brows… (read more)

Hello there

I have a small NAS with various video files on it. Some AVI which work flawless but also some MOV which show but do not play audio.

Other chromium based Browsers manage to do so without any problems therefore it should be possible somehow.

Informations regarding the file: Filetype: MOV Codec: MP4 Base w/ AVC ext (ISO 144496-12:2005) Channels: 2 compressor: sowt Sample rate: 48khz Depth: 24bit Bit rate: 16

It was recorded with a Nikon D3200 camera.

As I am hosting these Files for other people I always get requests on why it does not work in Firefox.

I love Firefox and I want People to use it but such things just make in unnecessarly hard to do so.

I have experienced great business support from the Mozilla team, hope this to be true for home users too.

Thanks beforehand and have a nice evening.

Asked by Ale 3 weeks ago

Last reply by Ale 16 hours ago

TTFB vs cache

Hi, I wonder why Firefox is so slow when a site is present in it's cache. It's been the same problem for years, whenever I'm getting a long TTFB from the server, let's sa… (read more)

Hi,

I wonder why Firefox is so slow when a site is present in it's cache.

It's been the same problem for years, whenever I'm getting a long TTFB from the server, let's say a TTFB of a second or two, I know that clearing Firefox's cache of that site will resolve the issue and bring down the TTFB to it's normal of around 100ms.

Why and how clearing the cache changes the server TTFB?

Thank you.

-- Francois

Asked by francoisp 5 days ago

Failed to load 'rt_requiem' template: Please install Gantry 5 Framework!

Don't know why I am getting this message: Failed to load 'rt_requiem' template: Please install Gantry 5 Framework! on this site: https://www.decani.org/en/photo-albums-… (read more)

Don't know why I am getting this message: Failed to load 'rt_requiem' template: Please install Gantry 5 Framework!

on this site: https://www.decani.org/en/photo-albums-church/interior-of-the-church

It's a link that worked previously. may have something to do with Joomla.

hope someone can help.

Asked by docmaas 5 days ago

Autoplay blocking not working for Castbox.fm

Hi. i love Autoplay blocking feature and most of times it works, but at Castbox website , it does nothing. when you enter an episode url directly or otherwise, the mediap… (read more)

Hi. i love Autoplay blocking feature and most of times it works, but at Castbox website , it does nothing. when you enter an episode url directly or otherwise, the mediaplayer starts the podcast automatically. i even have the settings to block audio and video but still doesn't block the autoplay feature of this site. i don't want to advertise for any podcast but if you check any episode page you should be able to see the problem

Asked by MHShokuhi 5 days ago