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The past two days Firefox has not been displaying PDFs properly, turning 2 out of 14 pages sideways. I restarted my computer but no change. The PDFs display beautifully in Edge.

I can start Thunderbird but it always crashes very shortly after startup (within about 30 seconds). Here is a crash report:

bp-e6e2f348-5338-458f-a03e-c03b70241224

I have started TB in safe mode, started Windows in safe mode, reinstalled, tried clearing startup cache. Nothing is working. Thanks for your help,

I can not access duck duck go from the firefox web browser version 133.0.3 either by typing it as an address in the bar nor by using it as the default search engine in settings. Google and you tube are blocked on our network by a firewall. Duck Duck go used to work, but at some point stopped. This is on mulptiple PC's and Chromebooks.

I see the following sites show up on the firewall's blocked list when I startup Firefox Desktop: (See Attached photo)

When I type in www.duckduckgo.com on the address bar I get a "server not found" error. If I search for any search query in the address bar with duck duck go set as the default search engine, I get a server not found error.

I can use an apple phone device with safari browser and cell data turned off to access duck duck go's website and complete searches while connected to our network.

I can browse yahoo.com and complete searches with no problem.

I really don't know what this would be under in my history I need the actual login times on the site for 12 24 2024 at 730 am to 830 am. I need my history ,what sites ,the time I loved onto that site for the date above .can I get that accessed in an email please .thank you

This is something I've noticed in the last couple of mouths...

Initially everything on Firefox runs fine for the first 1-3 hours, but after that the multiple YouTube website video tabs I generally have open, especially the very last YouTube website video tab that's open, or any new YouTube website video tab I open, starts to lag like crazy.

Using my mouse to click the play/pause on the video player, or pressing the play/pause function key or spacebar on my keyboard, takes a good 3 or 4 seconds before the input action is registered, and it's not just that but the entire UI of the web page itself is slowed down.

Doing simple things like clicking on-screen buttons to navigate, and scrolling down to load comments, or scrolling down to load other video thumbnails etc etc, takes a good few seconds to actually work.

In general the YouTube tab(s) become very slow and unresponsive, and it's not just the video player on the tabs - it's the YouTube website in general that is affected.

I don't see a substantial difference in CPU or RAM in Task Manager when these 'slow downs' occur, but the fan speeds inside my mini PC do spin louder and louder.

For whatever reason this problem ONLY happens with YouTube. Other websites via other tabs tend to run and function just fine 24/7.

I'm running the latest 133.0.3 version of Firefox, and my system specs are as follows:

Processor: Intel(R) Core(TM) i7-10700T CPU @ 2.00GHz Storage: 595.2 GB Installed RAM: 16 GB (15.7 GB usable)

Other people have also reported similar things over on Reddit with regards to Firefox and YouTube.

On a s8 ultra that is always plugged in and turned on, Firefox will mysteriously gain 10-30+gb of cache with no use. I'll clear it only for it to form again. What?!

Windows computer. 2024-12 Cumulative Update for Windows 11 Version 23H2 for x64-based Systems (KB5048685)

Firefox: Version 133.0.3 (64-bit)

Sometimes I am asked to complete a Google Forms form to register for an event. This seems to work fine with all but one business. For that business, Chrome works just fine. Firefox does honor the submit button on this company's form. It used to last year and did in early September, but not since.

Also, I recently purchased a used car from Chevy. When I need to log in to their portal to sign up for service, I need to use Chrome. When I try to log in using Firefox, a new window opens but does not offer me the username or pwd prompts.

After the recent bunch of windows updates i started noticing youtube loading much slower and other websites acting strange. Just now i tried to look at a link https://steamusercontent-a.akamaihd.net/ugc/47948470127416586/912CDEE3AD8B94CF3122B7338E89E24C9B6EC29D/

I get "No video support and MIME type found". I have uninstall/reinstalled, checked codex, disabled addons and downloaded Microsoft windows media pack, then restarted the computer.

Nothing seems to work. But i had to reinstall Firefox again because all my tabs would crash after the last reinstall.

I just paid for a yearly subscription, after I installed [ via command window] mozilla vpn nothing is working, do i need to run some special set up? I ám using firefox

Hello, I am contacting you about the non-functioning sound of some websites. It is manifested as if Firefox does not perceive that the page is playing sound at all. For example, YouTube works as it should, but Instagram is completely without sound.

This problem started maybe 2-3 months ago. I used to have hundreds of tabs open for months and Firefox never lagged, never chugged even once. In the last few months this has been happening almost daily with only a small number of tabs open, as few as 10. The tabs I leave open are from only two websites (one of them is YouTube). Basically Firefox becomes unusably slow and needs to be restarted, so there is clearly a memory leak. I do not know if the memory leak is from Firefox, YouTube, or from the one other website I leave tabs open from, but I do know that this never happened before with vastly higher volume from the same websites.

The issue is not my computer hardware, which is in excellent condition and of excellent quality. This lag / freezing does not happen in any other application.

iOS 15.8.3, FF Version 133.2.

A couple of months ago I started having a bunch of issues with the iOS app simultaneously. First I couldn't get my tabs to sync. Then I signed out and had a hard time signing back in-- it just wouldn't work. Now I am finally signed in, but the app isn't working like it used to. I haven't been able to sync tabs since then now matter how many times I try. It still shows tabs for stuff I read months ago. I can't send tabs from desktop to my phone (but I can send from my phone to desktop with no issues). Finally, the tabs are all weird now-- they are huge (see pic).

I have tried uninstalling and reinstalling 20 or 30 times. I'm considering going back to Safari because the main reason I use Firefox is for phone/desktop connectivity and it just isn't working anymore. Any ideas?

I am trying to access iDRAC 7 on a Dell Poweredge R520. On version 133.0.3 I get a An error occurred during a connection to 192.168.1.20. PR_END_OF_FILE_ERROR. I know that the problem is that Firefox stop supporting older versions of TLS. So I choose to also install an older version of Firefox (43.0). On that version I get a The page you are trying to view cannot be shown because the authenticity of the received data could not be verified error. I used to have no problems accessing iDRAC 7. Has anyone else been able to resolve this problem?