Fórum podpory Firefox

YouTube all of a sudden started to slow down and only be able to load videos fast enough in 360p resolution, I tried watching YouTube on Microsoft edge and YouTube handled 1080p easily there, I have cleared the cash and made sure my Firefox and Windows are up to date and still the issue persists.

this only seams to occur on YouTube as amazon prime and speed test works without issues

Tab detachment was working fine until updating to Firefox 126. Now the tabs cannot be moved, detached or dragged to another window.

In about:config, browser.tabs.allowTabDetach is set to true

Suggestions?

Images and graphical elements (even the checkmark or the confirm image at the bottom of this thread creation page) disappear when scrolling down. This started after today's update. I've tried creating a new profile, troubleshooting mode, disabling hardware acceleration, disabling dark reader, changing the windows override settings to NEVER - NONE OF IT WORKED!! I'm getting really ticked-off by this crap! Didn't have this problem until the newest "great" update!

No longer able to copy or paste text on Firefox with Windows 10. Copy and Paste are greyed out in the right click menu after selecting text. Using CTRL-C, V or P does nothing at all. Still works fine in other browsers. What has Firefox broken again this time?

On Mac OS 14.4 Firefox hangs on launch and crashes, requiring "Force Quit" when I try to Refresh or Troubleshoot. Uninstalled and reinstalled multiple times, and restarted computer several times. Have spent several hours trying multiple community suggestions to now avail.

I am not a programmer, but am able to follow instructions. I clearly need someone to hold my hand and walk me through the solution. (I even checked out the Kaspersky suggestion, but cannot install it because Firefox cannot connect to the Internet.)

I have downloaded and saved "Raw Data.docx" and "Application Basics tex.docx" from one of the crash reports.

P.S. On this question form Firefox guessed that my operation system was Mac OS x 10_15_7, but it is 14.4

Julian

I am trying to block myself from checking on my old employer's website, and I need to block myself from being able to go to their web page. How do I block a specific website? I do not want to access this site, and I find myself checking the site. I sound nuts, I know. But this is for my own good.

Firefox spawn too many child processess, with cause the browser to freeze.

Proposed solution:

Reduce to absolute minimum the spawn child processess. The value should be set according to the device performance and additionally show allow the user to set manually the limits.

Example: 1 (maximal 3) child process per tab/window

I did an hardreset to my computer yesterday, today I logged in to my FireFox account and now all of my stuff (History, Passwords, Bookmarks) are from 2020. I don't have any backup, what do I do?

Suddenly almost everytime I load a YouTube video I have to watch 2 - 4 min of ads, sometimes two in a row before the video starts. I no longer have the skip ad button. If I load the same link in Chrome or Edge I don't have this problem. My search engine is Duck Duck Go, but if I go to Google first and then to the video I still have the problem. I also have the Maleware Bytes ad blocker installed. Any suggestions?

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.

I'm having problems with Firefox using 75% of processor capacity. In "top" I see many instances of "Isolated Web Co".

At the moment of this screen shot the processor is not overwhelmed, however, it will sometime jump up to 75% and the system will seem to freeze.

What is the "Isolated Web Co"? I'm thinking a virus.

Thank you.

basically just the title. In the last couple days youtube.com specifically has been borderline unusable for me on firefox. All other websites work fine for me on firesfox and youtube has no issues on other browsers.

Bonjour, Hello,

I contact you because, even without an adblocker, Youtube is very slow with Firefox navigator. I don't understand why and I don't have this problem with Google Chrome ? Fews years earlier, I never had this problem with slow Youtube when using Firefox Navigator. I don't know if the problem comes from Youtube or Mozilla and I contacted both of them.

Thank you.

Bonjour,

Je vous contacte car, même sans bloqueur de publicité, Youtube est très lent avec le navigateur Firefox. Je ne comprends pas pourquoi et je n'ai pas ce problème avec Google Chrome ? Quelques années plus tôt, je n'avais jamais eu ce problème de lenteur avec Youtube lorsque j'utilisais Firefox Navigator. Je ne sais pas si le problème vient de Youtube ou de Mozilla et je les ai contactés tous les deux.

I added my own shortcuts and deleted all the preset ones (Wikipedia, Twitter, Amazon etc). On deleting the last one of the default ones, the 'Add a shortcut' button has completely disappeared. Is there another way to create a shortcut?

I cannot download any files or any adons through firefox. I have tried every single troubleshooting method in the "What to do if you can't download or save files" article I have restarted my computer, I have refreshed firefox, I have reinstalled firefox TWICE, I have turned off my firewall and tried downloading a file, I have changed the wifi im connected to, I can download files on internet explorer just fine, I have tried a new profile, I have scanned my device for viruses (theres none), I have no idea what the troubleshooting mode is supposed to do because I cannot download files in that either. I currently have no ad-ons installed because of the refresh I dont know what else to do and why is my firefox doing this, it started yesterday.

Running Firefox 126.0, which Firefox' About link says is current. Dell laptop running (current) Win10 Pro.

As recently as last Wednesday (15 May 24), everything was normal. Since yesterday (16 May), on the Wall Street Journal site, after I have logged in, I no longer have access to articles' comment threads. The Show Conversation button shows 0 comments (which is erroneous), and when I click the button, it changes to Hide Conversation (which is normal), but nothing else happens--just white space and no comments or comment text entry field.

On Fox News, the comment thread doesn't display, and there's not even displayed a link to a comment thread. Until yesterday, the thread normally displayed, but required login to comment. Since yesterday, logging in changes nothing: the comment thread still doesn't display at all.

On X (nee Twitter), when I click the login icon, I get the usual login box--but it's solid black with only a rotating arrow signifying "loading." It never finishes loading. An added fillip: X, as recently as last Wednesday, displayed in its usual black text on a white background. Now it displays as white text on a black background. I can click on X links sent to me and get that particular X post to display, but I cannot log in.

When I go to those sites in Edge, everything behaves normally: I have access to comment threads, and I can log in to X. One exception: X displays as white text on a black background on Edge, also. This doesn't seem to be an X thing, though; on my wife's laptop (Firefox 126.0), running WIn11Pro, her X display is the "normal" black text on white background.

I haven't changed any settings in Firefox. I do have a couple of ad blockers, and I've turned those off, one at a time and both together; that had no effect.

How can I get things back to normal in Firefox?

Thanks

Eric Hines

Firefox freezes - energy efficiency? Version 124.0.1 (64-bit) Windows 11, version 23H2

Firefox has been freezing up completely, all windows and does not unfreeze if I wait, if I click "wait for Firefox to respond" it will pop up again immediately, no matter how many times I click it.

I associate this problem with the new "efficiency mode" that shows two green leaves by some of my firefox processes. The pop-up by the icon says it's to "limit resources used by the process" which suggests the cause is limiting access to necessary resources.

I have found no way to disable this unwanted "feature" - although I am all for eliminating carbon emissions, I need the browser to work.

When this happens immediately after restarting Firefox, the "restore previous session" is gone, so I lose a ton of open work.

If I try ending processes one by one, focusing on the green leaves (not all have the green leaves icon), I invariably close the last window while many other processes are present, losing ability to restore history.

I have written Windows help with no response. (This seems suspicious, as a way to disable competitors.)

I do not see this happen in Chrome.

PLEASE: 1) Provide a way to restore history from previous session (e.g., all windows in last week? or recent instance?) 2) Solve this problem - is it the "energy mode" setting?

Jason

I feel like I've been seeing people online complaining about this for a couple of years now, and it's shocking to me that I still couldn't find a solution in a thorough google search. Has anyone found a fix for the mandatory restart Firefox now pushes whenever there's an update available? Basically, out of nowhere, the program will refuse to open any new tabs or load any pages, instead giving the error message in the image. A restart is forced, and all private tabs are lost without warning. This is completely unacceptable browser behavior. As far as I know, there is no setting or about:config option that will fix this. Has anyone found a work-around?

I've been a loyal Firefox user for a couple of decades at this point, but this nonsense has me seriously considering switching to something else. Thanks for any help anyone can offer.

It worked nicely for many years, until today. I installed Supraland from Steam, played for a couple of hours, and suddenly my Youtube page went glitchy - not the layout but minor elements were getting scrambled, especially text. I'll attach a couple of pictures to show it. In fact, all pages glitch if their content changes even a little. As of typing now, I see the glitches, with a word or another getting butchered. Gifs and videos are full of that.

Windows 10, the current update, Radeon RX 580, the recommended AMD drivers installed (and reinstalled again and again, 23.11.1)

I think I did pretty much everything with Firefox. Disabling hardware acceleration fixes it (but then of course the browser goes slow). Games work fine, including Talos Principle 2 which is intense enough. The clean install, reinstall and all that. I'm writing from the beta stable build now. I've tried to regress to the previous versions too.

It strictly coincides with the game installation but I have no close backups - who knew that some game might just do that. Then, of course, I tried to uninstall it too.

Thoughts?