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Kind of a combination 'Browse/Download problem. This morning on rising, 07/11/25, Claude.ai's html artifacts quit loading on Firefox. Doesn't matter whether I'm on laptop Macbook Pro or iMac...or iPhone...but it loads in Safari and Google Chrome? Site is fine...document artifacts are fine...but html sits with spinning wheel?

I have loaded Messenger onto my new computer as well as Firefox. When I go to Messenger the Voice and Video icons at the top right are greyed and when hovering over the icons, I get a message that video calling etc is not supported. i had no trouble on my other computer but am not sure how to activate the video and voice options. Can you please help me solve this issue. Thank you

Hi,

Whenever I try to watch videos on Anime Slayer APK in Firefox, I get a message saying the browser is “unsupported” or the video just won’t play. I’m using the latest version of Firefox on Windows, and I’ve already cleared my cache and disabled extensions, but the issue persists.

Interestingly, the same videos work fine in Chrome and Edge — so it seems like a Firefox-specific problem.

Is there some setting or add-on I need to enable to make it work? Or is this a known compatibility issue with certain websites?

Thanks for any help you can provide — I’d rather not switch browsers if I can avoid it.

Hello support-type people,

I have a specific website that I have active in FireFox called myNoise.net. It allows me to generate background noise generators to cover-up the distracting noises from my neighbours when working at home on my desktop computer. The audio on the website worked the last time I opened Firefox ~2 July ... but today, when I opened the browser, the audio no longer works. I cannot get the website audio to load at all - I added the website to additional exception lists & shut down some content blocking extensions, but no joy. The website was already listed in multiple exception lists & I do not know or understand what change(s) occurred with the browser that would prevent this site from properly functioning - since it literally worked a week ago. I would appreciate any assistance and/or guidance with this issue, otherwise I will be eliminating Firefox as one of my browser options. I have provided a screenshot of the site that shows the perpetual "now loading" screen. Thank you.

In <style> I have td {padding:.5ch;border:solid, grey, thin; text-align:center} Suddenly the borders stopped working, but still work in other Browsers. I added <thead> to the table and thead {display: table-header-group;} in the @media print in the style section, but removing them doedn't

Attempting to bill pay at Allstate page, stating the browser is not compatible. What options do I have? I have been using Firefox for > than twenty years, I have a hard time trusting anything that comes from Microsoft after their internet explorer debacle .

When using excel for office 365 there's a behavior unique to firefox. Normally when a cell is selected Ctrl+A will select all of the contents of the cell, this is normal behavior. When overwriting the text by typing any other text it will begin typing in a different orientation, (between horizontally and vertically). If pressing Ctrl+A again and typing any text it will again flip the orientation. This is infinitely repeatable on all systems I've tried. I've complained to microsoft support to a near-harassment level and they've told me to talk to you. I'm not making a bugzilla account so I'm posting it here.

Cheers, Toxic

I have a problem that I cannot resolve for months. I'm always listening to YouTube I'm listening music while I'm working or I'm doing task on Firefox I used to have no problem I just Open YouTube and let it play on auto play and it goes no matter what. About 6 months ago I started to experiment some problems the video stop all the time even if I have a playlist going on like 50 song one after another it will stop once in a while for no reason. It pissed me off so much that I have to change my browser by default and I don't like other browser I use always Firefox with DuckDuckGo so when I'm trap to use other browser I get mad the only one that functions very good it's on edge Microsoft and seriously I cannot stand this… I'm forced to use YouTube only on edge it's the only place that it works no matter what it never stop. It used to be a little arrow in the bottom of the screen, a button that you can click on and off to Auto play or not, this button disappear it's not even there no more. This button Auto Play it's not there in Edge or Google Chrome but YouTube works for them not for Firefox so what is the problem it's not the setting is it YouTube that's got problem with Firefox? I don't know, it must be a way, a back door because I need to go back with Firefox I need to go back with DuckDuckGo. I'm pissed because I have to leave just because of that and that it's no compromise for me my music will pass before everything else. I don't feel like asking question to the community because it takes months before they answer you if they do. It's no customer service for Firefox or Mozilla whatsoever they don't answer you they don't talk to you they don't fucking care and this is another thing that pisses me off because they have a good thing going on but they don't care about the people. This was, this is what I did so far: Disable Hardware Acceleration "Performance" section.

I unchecked "Use recommended performance settings."

I unchecked "Use hardware acceleration when available." Clear Cache and Cookies I cleared the cache and cookies preferences privacy: Under "Cookies and Site Data," I clicked on "Clear Data."

Extensions about:addons I disabled all extensions to see if the problem persists… nothing happen YouTube I used YouTube in a Private Window … nothing happen YouTube Playback Settings I changed the video quality … nothing happen

Developer Tools for Network Throttling Maby using the developer tools, I can check for network issues? I didn’t try yet Reset Firefox I Refresh Firefox to restore it to its default state… nothing happen I uninstalled it and clean the registry. I reinstalled it. …nothing happen I ensure that you I’m using the latest version of Firefox: Yes My laptop specifications: Device specifications Device name: Fatcatbasse Processor: AMD Ryzen 7 5800H with Radeon Graphics 3.20 GHz Installed RAM: 64.0 GB (63.4 GB usable) Device ID: 8EDED38D-1047-40B4-8AIF-C2361C5E5841 Product ID: 00330-80000-OOOOO-AA797 System type: 64-bit operating system, x64-based processor Pen and touch: No pen or touch input is available for this display

Graphics Drivers I ensure that my graphics drivers are up to date. They are Testing Other Browsers I already mentioned that Edge works well Google Chrome also So you got an idea what I can do maybe shooting with a gun on the computer? Maybe pouring bleach or fuel on the keyboard? Maybe that work.

I can't access reddit.com on Firefox for Android. I have no problems accessing it on Firefox for PC or Mac. It was loading fine this mornig, but for the past couple hours, I've been getting "address not found." I have cleared my cache and all browsing data. I tried force stopping and restarting the app. I've tried restarting my phone. Nothing fixes the issue. Anyone know what the problem might be?

None of my streaming networks Peacock and Netflix wont work on Firefox anymore. We get errors saying our Browser is no longer supported. When checking, there is no new update for Firefox.

Any idea why Firefox is not supported on this website? https://mypay.dfas.mil

It's been that way for over a decade. Thx.

I had switched to Firefox from Chrome because they banned AD BLOCKERS. But now I have to go back because FACEBOOK VIDEO CHAT won't work ( according to Facebook) because they introduced end-to-end encryption. Can you give me a fix?

the website onodreamgallery.com shows up as Under Construction, yet on another browser it shows correctly. I do not know how to fix this; I am not versed in Internet language.

Hi Mozilla Community,

I’m facing an issue where my website, [malicious website removed], is not loading properly when accessed through Firefox. It either takes a long time to load or sometimes fails to load altogether, even though it works fine in other browsers like Chrome and Edge.

Could you please guide me on what might be causing this issue? Are there any specific Firefox settings or known compatibility issues I should check? Any troubleshooting suggestions would be appreciated.

Thanks in advance for your help!