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Choppy 4K YouTube playback

I have a very good PC (5800X3D, 7900XT, 32GB DDR4 3600), but Firefox (either the normal, canary and nightly version) can't play smoothly any 4K video (like the Borderland… (read more)

I have a very good PC (5800X3D, 7900XT, 32GB DDR4 3600), but Firefox (either the normal, canary and nightly version) can't play smoothly any 4K video (like the Borderlands trailer: https://www.youtube.com/watch?v=lU_NKNZljoQ ). 1440 and lower resolutions are fine, as are 4K videos on Chrome and Edge. FWIW, my CPU during 4K playback is barely used (1-2%), and my GPU's video codec (VCE) is used by around a third. Disabling HW accel makes things better, as it still stutters but it's (barely) passable. I already tried creating a new profile, but still it's the same.

Asked by Federico Barutto 3 months ago

Answered by zeroknight 3 months ago

  • Solved

After upgrade to Windows 11, Firefox won't open anymore.

Hi, I've upgraded to Windows 11 today and couldn't open Firefox since. Things I've already tried: Reinstall Firefox and delete all old files (Appdata & Program fi… (read more)

Hi, I've upgraded to Windows 11 today and couldn't open Firefox since. Things I've already tried:

  • Reinstall Firefox and delete all old files (Appdata & Program files)
  • sfc /scannow and DISM.exe /Online /Cleanup-image /Restorehealth
  • Windows compatibilty mode
  • Firefox Troubleshoot mode won't open either
  • ipconfig /release & /flushdns & /renew
  • netsh int ip reset & netsh winsock reset

When opening Firefox in any way, i get a white window/just the window border which immediatly closes. When trying to start troubleshoot mode, the small window has the same issue.

I also checked the crashlogs and none were generated. The Windows event-logger also has no entries.

BTW: Here is a video of whats happening: https://youtu.be/AJP4rqZFxlY

I have no idea what to do - send help please.

Asked by galotta.f 3 months ago

Answered by zeroknight 3 months ago

  • Solved

Missing cookies

I have an issue with Firefox 127 not accepting a session cookie that I use for user authentication. I have an ASP.NET application with a login form that includes fields f… (read more)

I have an issue with Firefox 127 not accepting a session cookie that I use for user authentication. I have an ASP.NET application with a login form that includes fields for login and password, and a submit button. When the button is clicked, an HTTPS/POST request is sent to the server. The server responds and sends back a session cookie named .Cookie.Name with the parameter httpOnly set to true.

When I check in Firefox's Developer Tools under the Network tab, I can see .Cookie.Name in the server response. However, in the Developer Tools under the Storage tab, .Cookie.Name is missing, which prevents the user from logging in. This problem does not occur in other browsers like Chrome or Edge, nor does it occur in Firefox version 126. The configurations for Firefox 126 and 127 are identical.

Could you please assist with this issue?

Asked by LukaszRoki 2 days ago

Answered by LukaszRoki 1 day ago

  • Solved

Graphical problems on Surface Pro X (arm64)

Using the arm64 version of Firefox on a Surface Pro X causes several graphical issues. These issues started either with a update of Firefox or drivers. This topic has al… (read more)

Using the arm64 version of Firefox on a Surface Pro X causes several graphical issues. These issues started either with a update of Firefox or drivers.

This topic has already been reported, please see here for more information and documentation: Reddit: https://www.reddit.com/r/firefox/comments/182iojx/firefox_arm64_graphical_problems_on_surface_pro_x/ Mozilla Connect: https://connect.mozilla.org/t5/discussions/firefox-arm64-graphical-problems-on-surface-pro-x/m-p/52086

What can be done to report this issue and help it getting fixed?

Asked by Felix 3 months ago

Answered by zeroknight 3 months ago

  • Solved

Firefox asks for master password on startup

On my computer Firefox ask for the master password every time at startup. On other computers in my family, Firefox only ask for the Master Password when accessing a site … (read more)

On my computer Firefox ask for the master password every time at startup. On other computers in my family, Firefox only ask for the Master Password when accessing a site with a password. I tried : - to disable than reenable Master Password - start in SafeMode without success. How can I solve my issue ? Thanks in advance for your help

Asked by jp.levy 3 months ago

Answered by cor-el 3 months ago

  • Solved

Unable to zoom, to view larger image that is available with Chrome

I've migrated to Firefox from Chrome and am getting everything as close as possible to my Chrome setup. This is a usability issue when I zoom on an image, that has a larg… (read more)

I've migrated to Firefox from Chrome and am getting everything as close as possible to my Chrome setup. This is a usability issue when I zoom on an image, that has a larger version. Chrome allows me to zoom to the full extent of the image, but Firefox screen shakes and doesn't allow the same detail. Screen recording and links below.

Screen recording Firefox

Screen recording Chrome

This is a link to the item in question.

Asked by Allan MacDonald 4 weeks ago

Answered by cor-el 3 weeks ago

  • Solved

Cloudflare Verify you are human looping

I have been experiencing a problem with Cloudflare specifically on one site (character.ai) and when the verify you are human pops up. It takes me in a seemingly infinite … (read more)

I have been experiencing a problem with Cloudflare specifically on one site (character.ai) and when the verify you are human pops up. It takes me in a seemingly infinite loop. On the Cloudflare community site they say it could be because of things like adblock but even without any adblock or anything of the sort on it does the same thing. Sadly Cloudflare community doesn't support being used on Firefox. So maybe they don't support being used on Firefox in general? I have contacted the actual websites support but they don't seem to even read submitted inquiries because I never hear anything back from them except the automated message they received it. It is now preventing me from using certain things in general which as before it wasn't that big of a deal but recently they changed the site layout and still allowed you to use the old layout but the verification blocks you from using the old layout. The first one is one from a couple of weeks ago when it only effected me trying to open things in a separate tab and the second one is the newer one which prevents me from accessing the old layout. I'm not sure what to do about it since nothing I specifically could do to solve it has helped. I have opted into sharing data under troubleshooting IDK how well that'll help.

Asked by Lilynette 3 months ago

Answered by Lilynette 2 months ago

  • Solved

Startpage Search Engine

This problem exists ONLY on Firefox. I vary search engines, from DuckDuckGo to Presearch and Startpage depending on the search results I get. For no apparent reason I wi… (read more)

This problem exists ONLY on Firefox. I vary search engines, from DuckDuckGo to Presearch and Startpage depending on the search results I get.

For no apparent reason I will get a "suspended connection" message on Startpage while using the Firefox browser. I have included both the link and a screenshot of the problematic page. The page will open perfectly several times, and then suddenly, in the same session, if I open a new Startpage tab, this message will appear. While the suspended connection message is visible in Firefox / Startpage, I will try Startpage in Edge, Opera, Chrome and Midori, and they all open to the Starpage beautifully.

I am using the Firefox 125.0.3 browser, I have cleared caches and cookies, and run full malware scans, with zero negative results, and yet this problem persists. It is sporadic, and does not occur on a predictable basis. It occurs whether the Mozilla VPN is on or not, and switching from on to off or off to on changes nothing, even after refreshing the page.

I am assuming that this is a Firefox issue, as the problem does not occur on other browsers

I can easily switch browsers and / or search engines, but Firefox in conjuction with Startpage is my preferred combo. I just find it frustrating in that I cannot fix it myself.

So....Ehhhh...what's up doc?

https://www.startpage.com/sp/captcha-block#?bc=US&bi=QuadraNet&be=a2667ecaaf93ae9c091acfff4cebeacc&bds_t=1715638671T77bc1f599823650a2bba749db91bb9c806807a1edc0a34414bf50516dbe0e125&bds_s=dd88ea12048c4efdb6fb4d366c52ae8f&lui=english&cat=web&language=english&t=night&cmd=gen_page

Asked by EmJay Dubbya 1 month ago

Answered by EmJay Dubbya 1 month ago

  • Solved

Multiple windows not restoring.

Hi. I am running a 3 monitor setup and I like to keep open quite a few tabs. And two windows of Firefox. So two Firefox instances with several tabs on each. But because i… (read more)

Hi. I am running a 3 monitor setup and I like to keep open quite a few tabs. And two windows of Firefox. So two Firefox instances with several tabs on each. But because it eats a lot of memory, I have to close and reopen Firefox from time to time. And to my annoyance, sometimes it "forgets" about one of the windows. So opens only one instead of both. Therefore I loose some quite important tabs. Any suggestions on how to fix this? Thank you.

Asked by zarsss 4 months ago

Answered by TyDraniu 4 months ago

  • Solved

Google Sheets - Scrolling Issue

As of today, I am unable to scroll with my mouse in google sheets. The scroll bar on the right disappears and I'm taken to the bottom of the spreadsheet and can't scroll … (read more)

As of today, I am unable to scroll with my mouse in google sheets. The scroll bar on the right disappears and I'm taken to the bottom of the spreadsheet and can't scroll back up. I have to use CTRL+Home and then the arrow keys to go down the rows. This appears to be only on Firefox. I tried a different browser and it worked fine.

Asked by Maria Quetell 3 months ago

Answered by Sean Thomas 3 months ago

  • Solved

I cannot log in to websites using Firefox

Firefox is my default browser, but it does not allow me to log in to specific websites. For example, ihg.com, when I click the sign in button nothing happens, I just have… (read more)

Firefox is my default browser, but it does not allow me to log in to specific websites. For example, ihg.com, when I click the sign in button nothing happens, I just have a little note at the bottom left "javascript:void(0);" Another example, dutchcrafters.com , when I click Log in with Gmail, nothing happens.

I have tried removing all the content blocking extensions (privacy badgers, ublock origin, etc.), did not fix it. I have tried a firefox refresh, did not fix it. I have tried uninstalling and reinstalling firefox with several device restarts, did not fix it.

I know this must be a firefox specific problem because microsoft edge work perfectly for both of these examples. Any other suggestions to fix this firefox issue?

Asked by James Lin 4 months ago

Answered by cor-el 4 months ago

  • Solved

Incredible slow download speeds with 999Mbps connection (below 15Mbps)

Just recently Firefox seems to have its downloads capped at 15-16 meg speedtests show the full 1Gig speed OPERA AND EDGE both download at the full 999 megs but firefox … (read more)

Just recently Firefox seems to have its downloads capped at 15-16 meg speedtests show the full 1Gig speed OPERA AND EDGE both download at the full 999 megs but firefox has recently stopped downloading any faster then 19 meg

what in firefox could be causing this its not happening in any other browser.

Asked by firefox2776 2 months ago

Answered by firefox2776 2 months ago

  • Solved
  • Archived

Firefox does not appear in volume mixer in Windows 11

I have a Lenovo ThinkPad X1 Yoga Gen 6 (20XY005MGE) with Win11 Pro. All of a sudden, Firefox does not play any sound. I notice that it does not show up in the volume mix… (read more)

I have a Lenovo ThinkPad X1 Yoga Gen 6 (20XY005MGE) with Win11 Pro.

All of a sudden, Firefox does not play any sound. I notice that it does not show up in the volume mixer. I tried:

Youtube does not play sounds, the Spotify page notices that it cannot play sound (the spotify App for Windows works fine, though). News sites (tagesschau.de / video, deutschlandfunk.de / audio) play the video, but no sound.

I had the problem a few months ago already but I cannot recall the solution :(

Thanks for helpful hints!

Asked by Wolfgang-Hannover 6 months ago

Answered by Wolfgang-Hannover 5 months ago

  • Solved

Instagram not accept cookies, can't log in

i think latest browser update broke instagram. I am stuck accept cookies screen, even i accept these it not disappear. I tried turn off extensions, clear site data, not h… (read more)

i think latest browser update broke instagram. I am stuck accept cookies screen, even i accept these it not disappear. I tried turn off extensions, clear site data, not helped. Works on incgronito mode only?

tried also turn off adblocker stuffs.

works on Chrome atleast fine.

Windows 11 home.

Asked by Makezu 5 months ago

Answered by zeroknight 5 months ago

  • Solved

Bulk user name delete

I would like to select and delete a subset of user names and passwords in Firefox. I have a group of about 80 logins for an old account which I no longer use. I know I ca… (read more)

I would like to select and delete a subset of user names and passwords in Firefox. I have a group of about 80 logins for an old account which I no longer use. I know I can delete individual logins one at a time but doing this 80 times is a pain!

I can search for the particular account in the password list and Firefox lists them all, which is great. What I would like to do then is right click and select all followed by delete.

Is there a shortcut somewhere?

Asked by Spencer.greystrong 4 months ago

Answered by Spencer.greystrong 4 months ago

  • Solved
  • Archived

location discrepancy

Hello, I recently purchased a VPN for my laptop. I bought a designated IP address set to Toronto, Canada. However, Firefox shows my location in Japan. In my communicat… (read more)

Hello,

I recently purchased a VPN for my laptop. I bought a designated IP address set to Toronto, Canada. However, Firefox shows my location in Japan.

In my communications with VPN server they believe since whatsmyipaddress shows me where my VPN says it should, but FF shows me in Japan, the problem may be a leak at your end. When I created this account today and set my country to Canada (as suggested by PIA), closed everything and rebooted my computer I had hoped to see Canada (en) when I began a search. However, it still shows Japan.

I value my privacy on all devices and turning off location is the first thing I do. I'm now wondering if FF is getting this location from Windows.

Any assistance is most appreciated. Thank you,

Asked by nbx427 6 months ago

Answered by nbx427 6 months ago

  • Solved

I'm confused about my password.

This might just be a blind thing, I use the NVDA screen reader, but when I sign in to firefox, my password is 12 letters long, but when I look on my settings page, it's … (read more)

This might just be a blind thing, I use the NVDA screen reader, but when I sign in to firefox, my password is 12 letters long, but when I look on my settings page, it's 18 characters long, is this normal?

I can log in using my 12 letter password and it's not a master password, I don't have one of those.

Any help would be apreciated.

Asked by brad22 5 months ago

Answered by cor-el 5 months ago

  • Solved
  • Archived

Windows 11, Firefox v 100.0, Change Scrollbar Width

I went into about:config and changed the following values in order to widen the scrollbar: css. scrollbar-width was true changed to false… (read more)

I went into about:config and changed the following values in order to widen the scrollbar:

css. scrollbar-width was true changed to false idget.non-native-theme.scrollbar.size.override was 0 changed to 100 widget.non-native-theme.enabled was true changed to false

Changing these values didn't widen my scrollbar. Without getting into coding, is there another way to make the scrollbar wider? (I changed them all back to the original settings when they didn't work.)

Asked by Denise 2 years ago

Answered by cor-el 2 years ago

  • Solved
  • Archived

scroll bar gone release 100

Hi, With the newest release 100 my scroll bar has changed. Its now some itty bitty thin cant find unless you hover out it thing. I want the regular wide colored scroll b… (read more)

Hi, With the newest release 100 my scroll bar has changed. Its now some itty bitty thin cant find unless you hover out it thing. I want the regular wide colored scroll bar I had. Is there a way to change it back?

Thank you

Asked by needyahoo 2 years ago

Answered by cor-el 2 years ago