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Only some videos play without audio, only in Firefox

I've recently done a clean reinstall of Windows 11 and have noticed that, only for Firefox (134.0.2, build ID 20250120135430), a few videos playback without any audio, ye… (pročitajte više)

I've recently done a clean reinstall of Windows 11 and have noticed that, only for Firefox (134.0.2, build ID 20250120135430), a few videos playback without any audio, yet the same videos play with audio when using edge as a comparison. Most (if not all) of these videos did play with audio in Firefox prior to this reinstall.

Firstly, I'm pretty sure this is not a windows sound mixer issue since many videos on the same page and tab play back with audio just fine in Firefox. The same goes for it not relating to the Firefox setting 'Speaker selection', under (burger) > settings > privacy & security > Permissions because videos of different formats (or using different players) on the same page play back audio fine. The tab is not muted. Again, some videos on the same browser tab play audio fine; some of a particular format or player only play the video, while missing the audio (and where Edge plays the same video with audio).

Another common and potentially relevant issue I've seen is that, this being a 'Windows 11 N" install, it was initially missing the settings > system > optional features > Media feature pack, but that is now something I've successfully added. I should add that windows did report problems when I initially tried to add the media feature pack but, after a very long delay, it eventually appeared to succeed when I ran a couple of DISM incantations that I think ended with - "dism /online /add-capability /capabilityname:Media.MediaFeaturePack~~~~0.0.1.0"

I have the 'Play DRM-controlled content' setting enabled.

Comparing the Firefox vs Edge video playback on this video test page - https://tools.woolyss.com/html5-audio-video-tester/ I get the following results (don't know how to get it formatted/aligned correctly, sorry) -

                           FF vid    FF audio    Edge vid    Edge audio
av1-opus-sita.webm          Works     Works       Works       Works
vp9-vorbis-spring.webm      Works     Works       Works       Works
vp8-vorbis-sintel.webm      Works     Works       Works       Works
avc-aac-nerdist-friends.mp4 Works     MISSING     Works       Works
avc-aac-big-buck-bunny.m4v  Works     MISSING     Works       Works
avc-mp3-sita.mov            Works     Works       Works       Works

And perhaps also relevant is that there's also a difference in the audio-only samples further down the table on the same page -

                   FF audio   Edge audio
audio-sample.mp3    Works      Works
audio-sample.weba   Works      Works
audio-sample.ogg    Works      Works
audio-sample.opus   Works      Works
audio-sample.flac   Works      Works
audio-sample.wav    Works      Works
audio-sample.m4a    FAILS      Works
ac192.mp3           Works      Works
spoonradio-hd.aac   FAILS      Works
audio.opus          Works      Works

Also, every 'v.redd.it' / reddit-video-player video plays the video fine but has no sound when using Firefox but plays both sound and video fine with Edge. Here's one for example - https://old.reddit.com/r/funny/comments/1i7y1nr/rock_paper_scissors/

I've seen lots of similar (but not identical) issues on Firefox video with no audio problems with suggestions a few things to try. In addition to what I've already mentioned above, I've tried the following without success -

- Restarting Windows - Restarting Firefox - Restarting Firefox with addons/extensions disabled - 'about:support' > Refresh Firefox - 'about:support' > Clear startup cache - (hamburger) > more tools > task manager > (click the little profile icon for the page playing the video) - I've checked the settings suggested here: https://support.mozilla.org/en-US/kb/fix-common-audio-and-video-issues#w_check-some-firefox-settings

I realise it may be possible to side-step this problem by flailing around with more drastic work-arounds like trying a clean re-install of Windows or a full uninstall and clean of Firefox, but that doesn't really help figure out the problem, which leaves the possibility it could easily happen again to me or others when it might be something that can be more properly fixed or guarded against in Firefox itself, so I hope someone can suggest what might be done to home in on identifying the cause of the problem and so learn whether a more precise fix can be employed.

Asked by Ernie_Gurney prije 3 sedmica

Last reply by Dave prije 4 dana

Mozilla Freezes Mint on Field Autofill

When I attempt to use Firefox autofill for address/credit card/etc, Linux will prompt for Root password. After entering root password, everything freezes. I have no acces… (pročitajte više)

When I attempt to use Firefox autofill for address/credit card/etc, Linux will prompt for Root password. After entering root password, everything freezes. I have no access to mouse or keyboard and my entire OS become unresponsive. Besides the hangup, my firefox tabs randomly crash as well with the following bug tag: https://crash-stats.mozilla.org/report/index/3020d645-af46-4821-bbfc-e4d680250213. I don't know if the two are related, but both eventually lead my my OS freezing with only hard power down. Every time I try to use autofill, it freezes my OS. I can keep replicating the issue.

Specs:

Linux Mint 21.3 x86_64

Kernal 6.12.13-x64v3-xanmod1

Cinnamon 6.0.4

CPU: AMD Ryzen 5 3600X

GPU: AMD ATI Radeon RX 5600

RAM: TridentZ Neo 64GB

Asked by Dustin prije 5 dana

Last reply by jonzn4SUSE prije 5 dana

Love Firefox. Wish it worked!

Online purchases only work on about 50% of the websites I buy on. The most recent one was buying a gift card from Whole Foods. This is becoming so ANNOYING; before I fina… (pročitajte više)

Online purchases only work on about 50% of the websites I buy on. The most recent one was buying a gift card from Whole Foods. This is becoming so ANNOYING; before I finally switch to another browser, does anyone know how to fix this?

Asked by LAMPERTFAMILY prije 1 sedmicu

Last reply by NoahSUMO prije 1 sedmicu

update deleted exe file on desktop using Windows 7

I accepted an update to my computer and immediately Firefox could not load, the exe file is missing. Again I use windows 7 . May have lost all passwords and bookmarks. Pl… (pročitajte više)

I accepted an update to my computer and immediately Firefox could not load, the exe file is missing. Again I use windows 7 . May have lost all passwords and bookmarks. Please advise.

Asked by Litl Dragon prije 1 sedmicu

Last reply by James prije 1 sedmicu

Website logo not displayed

The logo in the top left-hand corner of my website's landing page does not display using Firefox but is displayed properly using every other desktop browser. Using Firefo… (pročitajte više)

The logo in the top left-hand corner of my website's landing page does not display using Firefox but is displayed properly using every other desktop browser. Using Firefox, just my name is displayed in place of the logo. Chrome for Android has the same problem but Firefox for Android displays OK. On my iPad both Chrome and Firefox display properly. What are the reasons for this? Is there some upper limit for the dimensions of the logo (mine is oblong in shape)? Do I have some settings that don't suit certain browsers? My site was built using Wordpress/Elementor/OceanWP. Many thanks in advance for an answer!

Asked by tony.melville prije 2 sedmica

Last reply by cor-el prije 1 sedmicu

Adblocker entfernen

Hallo. ich habe den Adblocker deaktiert und entfernt. Trotdzem scheint er noch im Hintergrund zu arbeiten. Manche Webseiten fordern mich nach wie vor auf den Adblocker zu… (pročitajte više)

Hallo. ich habe den Adblocker deaktiert und entfernt. Trotdzem scheint er noch im Hintergrund zu arbeiten. Manche Webseiten fordern mich nach wie vor auf den Adblocker zu aktivieren. ich kann deswegen bestimmte Seiten nicht nutzen. Vielen Dank im Voraus für ihre Hilfe. Viele Grüße Gerd Christophersen

Asked by g.christoph.z prije 1 sedmicu

Last reply by jscher2000 - Support Volunteer prije 1 sedmicu

captcha failure

Recently I have had several experiences with captcha when paying for something with a credit card. I check the box saying I'm not a robot, get a green arrow, but then the… (pročitajte više)

Recently I have had several experiences with captcha when paying for something with a credit card. I check the box saying I'm not a robot, get a green arrow, but then the purchase does not go through. Error message says I failed to satisfy the captcha, even though I was never shown the grid of images. Just now I tried the same operation with the same company invoice using Chrome, and it went through successfully by just checking the box I'm not a robot. This is very inconvenient.

Asked by 231kent prije 1 sedmicu

Last reply by NoahSUMO prije 1 sedmicu

Private Browsing deleted download files when I closed the window??

It's not that they are not in my Firefox downloads manager, which I expected. It's that I confirmed before closing my private browsing window that they were in my Downloa… (pročitajte više)

It's not that they are not in my Firefox downloads manager, which I expected. It's that I confirmed before closing my private browsing window that they were in my Downloads folder on my C drive, and when I went back after closing the private browsing window they were gone. Under "recent files" in my file browser it showed a couple of the most recent downloads and when I tried to click to open them it said they had been moved or deleted. Entering the first couple words of the file titles in the search bar in my file browser yields absolutely nothing.

This was over 30 files or so. It will be really irritating to try to find and download all of them again. Does anyone know of any way for me to get them back???

Asked by 13m47 prije 1 mjeseci

Last reply by Sondra Kinsey prije 1 sedmicu

Right Click Menu is Broken

My Firefox desktop app recently updated. After it updated, I now cannot access anything by right clicking. When I right click, a giant window of options shows up (see ima… (pročitajte više)

My Firefox desktop app recently updated. After it updated, I now cannot access anything by right clicking. When I right click, a giant window of options shows up (see image). It doesn't change no matter what I click on. When I try to select something in the giant window of options, nothing happens. I'm having a very hard time with it, particularly because I can't open links into new tabs now.

Asked by apoquogue prije 4 sedmica

Last reply by cor-el prije 1 sedmicu

I clicked on a vendor link with a email on Outlook webmail and was refused a connection.

Hello, I clicked on a vendor link with a email on Outlook webmail and was refused a connection. Not even given a choice to bypass it. This is a reputable vendor associa… (pročitajte više)

Hello, I clicked on a vendor link with a email on Outlook webmail and was refused a connection. Not even given a choice to bypass it. This is a reputable vendor associated with my professional work. Please let me know a work around for this browser behavior.

Regards, Fred Flickinger

Asked by telios007 prije 2 sedmica

Last reply by jonzn4SUSE prije 2 sedmica

Firefox, PDFs and IDM

ver: 134.0.1 Windows 10 Pro I have Firefox set to open filetype PDF in Browser. Normally I use IDM which automatically download PDFs, unless I press ALT key while clickin… (pročitajte više)

ver: 134.0.1 Windows 10 Pro I have Firefox set to open filetype PDF in Browser. Normally I use IDM which automatically download PDFs, unless I press ALT key while clicking DOWNLOAD button, then it does not, in order to allow Firefox to handle the PDF.

Firefox presently does nothing. With filetype setting set to Open in Browser, Firefox Does nothing. If settings are set to Ask, it does not ask. The PDF filename appears at bottom of screen momentarily.

ver: 115.19.0esr Windows 7 Utl 7601 The exact same behaviour was also seen on a Windows 7 system running Firefox 115.19.0esr. PDF is also set there to "Open in Firefox". Again, when ALT pressed when clicking Download button, Firefox does nothing.

Asked by Genesis Amadeus prije 1 mjeseci

Last reply by jscher2000 - Support Volunteer prije 2 sedmica

Popups Not Blocked

It seems certain sites are prone to fire popup tabs, with any click, right clicks included. I close them immediately and the second click acts normal, getting the nav res… (pročitajte više)

It seems certain sites are prone to fire popup tabs, with any click, right clicks included. I close them immediately and the second click acts normal, getting the nav result I was asking for. How to strength the popup blocking function to stop this distracting behavior? Thanks for any pointers. This may prevent me from staying on FF.

Asked by homeovet prije 2 sedmica

Last reply by markwarner22 prije 2 sedmica

Google translate not working in Firefox 2025

For weeks now google translate has not been working as it should, when I translate something it usually defaults to translating it to English, but if I change the languag… (pročitajte više)

For weeks now google translate has not been working as it should, when I translate something it usually defaults to translating it to English, but if I change the language to any other than English it still only shows the English translation (or whatever language it got "stuck" on).

I have signed out and in of my google account, have the latest version of Firefox (134.0.2), refreshing the pages doesn't help. I don't have this issue in other browsers.

Asked by byjuliabck prije 2 sedmica

Last reply by jonzn4SUSE prije 2 sedmica

Captcha

For some time now I have not been able to access any website secured with Captcha verification. My browser doesn't recognize that I'm a human and keeps going back to squa… (pročitajte više)

For some time now I have not been able to access any website secured with Captcha verification. My browser doesn't recognize that I'm a human and keeps going back to square one. Importantly: this problem does not occur in other browsers. However, I would prefer to stay with Mozilla, so it will be nice if something can be done with it. I didn't change any settings, I didn't change hardware, I didn't reinstall Mozilla, so that's not the problem. I've looked through my security settings and don't see anything that would help in this case. Especially since these are websites that I had previously accessed and logged in without any problems.

Asked by alicja.b.kolanska prije 2 sedmica

Last reply by NoahSUMO prije 2 sedmica

Failure restorng from bookmark backup

This question relates to version 134.0.2 (64-bit). This morning I started Firefox and found that many of my bookmarks were missing. On trying to restore from the program … (pročitajte više)

This question relates to version 134.0.2 (64-bit). This morning I started Firefox and found that many of my bookmarks were missing. On trying to restore from the program automatic backups, I get the repeated message "Unable to process the backup file." On examination, the files, while not in ASCII, appear to contain ASCII text strings recognizable from the bookmark descriptions. They are not, at least, empty. Unfortunately, I do not have an HTML format backup. Any idea why none of the backups work or what options I have? Thanks in advance.

Asked by dclarke1 prije 2 sedmica

Last reply by cor-el prije 2 sedmica

Your PC doesn't have an app that can open this link. Try looking for a compatible app in the Microsoft Store.

Installed Firefox on my laptop. Already running on my desktop. Whenever I try to open a link, I get: Get an app to open this 'microsoft-edge' link Your PC doesn't hav… (pročitajte više)

Installed Firefox on my laptop. Already running on my desktop.

Whenever I try to open a link, I get: Get an app to open this 'microsoft-edge' link

Your PC doesn't have an app that can open this link. Try looking for a compatible app in the Microsoft Store.

Is this Microsofts way of saying "Use Edge?" Can I change settings to make it work?

Asked by PathMan prije 2 sedmica

Last reply by John Son prije 2 sedmica

Current Firefox from yahoo mail get error: Something's gone wrong We may be having trouble with your connection. Connecting your device to Wi-Fi could help fix the issue or try again later. If you were using an app, close this page. Otherwise, start over.

In current version of firefox when attempting to log in to yahoo.com I get the error message from AT&T: Something's gone wrong We may be having trouble with your con… (pročitajte više)

In current version of firefox when attempting to log in to yahoo.com I get the error message from AT&T:

Something's gone wrong We may be having trouble with your connection. Connecting your device to Wi-Fi could help fix the issue or try again later. If you were using an app, close this page. Otherwise, start over.


No error when using edge or chrome.

Asked by david.burlingame prije 2 sedmica

Last reply by Linh Maihunglinh prije 2 sedmica