Showing questions for topic:

Media Player Support

To whom it may concern, I have attached a picture of the error message I get when trying to play a video. I know the website is not at fault as I can use your competitors… (read more)

To whom it may concern,

I have attached a picture of the error message I get when trying to play a video. I know the website is not at fault as I can use your competitors browser (Chrome) and the videos play with no issue. I have also tried a few media player extensions with no success. Please help me find a solution so I do not need to use another browser. Thanks

Sam [email address]

Solved Archived 8 457

Yahoo now comes up on my Firefox browser

With reference to my question just posted, also now when I click on my Firefox browser, the Yahoo search engine seems to take over and it won't let me come out of it. Mar… (read more)

With reference to my question just posted, also now when I click on my Firefox browser, the Yahoo search engine seems to take over and it won't let me come out of it. Mark

Solved Archived 12 449

Browser no longer supported

When i log into Instagram, Gmail, or Facebook i get a message that says "this browser no longer supported. Update to newer version" i am running 132.0.2. i have been u… (read more)

When i log into Instagram, Gmail, or Facebook i get a message that says "this browser no longer supported. Update to newer version" i am running 132.0.2. i have been using Firefox since version 0.7 and still prefer FF to all other browsers.

Solved Archived 4 449

The background color of the new tab page replaces the one used by some websites.

On certain websites, I see that the background color of the new tab page replaces the default background color making the content unreadable, example: If I browser this w… (read more)

On certain websites, I see that the background color of the new tab page replaces the default background color making the content unreadable, example:

If I browser this website: https://typespec.io/docs

Here's what I see (see the firsrt attached screenshot). Now, if I open the same URL in Private browsing, the background color changes too (see the second screeenshot). In the 3rd screenshot I'm adding the reference rendering, that's how I expect this website to render (Edge).

In the screenshot 1 and 2, the background color is exactly the same as the one used by the new tab page when I open a new tab.

Questions: 1) Why is that? 2) Can I change that?

Context: I'm trying to switch to Firefox (from Edge)

Solved Archived 4 423

White line on top of screen

Hello=) I am using Firefox v128.2 esr 64bit on big sur 11.7.10.. In firefox there is always this white line on top of the screen when fullscreening a yt video... (but als… (read more)

Hello=)

I am using Firefox v128.2 esr 64bit on big sur 11.7.10..

In firefox there is always this white line on top of the screen when fullscreening a yt video... (but also partial bars in other situations-randomly) (temp workaround : cmd+up arrow . But, whenever you pause or press something it reappears.

Can we please implement a more elegant solution?

Thanks a bunch , dear Mozillians=)

Have an excellent day=)

Solved Archived 4 417

Netflix does not work

Netflix says I need the the latest version of firefox. At the top of the screen it says "Firefox is installing components needed to play the audio or video on this page. … (read more)

Netflix says I need the the latest version of firefox. At the top of the screen it says "Firefox is installing components needed to play the audio or video on this page. Please try again later"

As far as I can tell nothing is installing and I need to actually do something to resolve this issue. Unfortunately I don't know what. Please help me resolve this issue.

Solved Archived 4 402

How come Google Meet takes me to a 404 page on Firefox only (dont have this issue on any other browser)

In recent weeks when I open my Macbook and go to https://meet.google.com, the page that loads says "404. That’s an error. The requested URL was not found on this server. … (read more)

In recent weeks when I open my Macbook and go to https://meet.google.com, the page that loads says "404. That’s an error. The requested URL was not found on this server. That’s all we know." The issue is only on Firefox and not Chrome or Safari. When I see the error page, I look at the URL and it has the word "unsupported": https://meet.google.com/unsupported?meetingCode=landing&ref=https://meet.google.com/landing

So I dragged firefox to the trash, reinstalled and the issue persisted. I do not have a VPN. I'm using my own Wifi at home. If I switch to my desktop computer (m2 mac ultra) and go to the same Google Meet URL, I don't get a 404 error on firefox, however no one can hear my microphone any more as of 1 month ago, when I didn't have this issue in the past and I've done everything that everyone has told me to (in order to fix it) and nothing has worked.

Laptop: MacBook Pro 2021, MacOS Sequoia 15.0 Firefox: 13.0.1 (64 bit)

Solved Archived 4 392

viewing tabs

Is it possible to view the contents of two tabs simultaneously? I have been in many situations where it would be very helpful to view two different web pages side-by-side… (read more)

Is it possible to view the contents of two tabs simultaneously? I have been in many situations where it would be very helpful to view two different web pages side-by-side to more easily make comparisons. Opening a new window and viewing them side-by-side is similar but being able to pick two tabs to view in one browser would be a lot faster and easier to control.

Solved Archived 2 382

Grouping tabs

I am starting to use the new utility which allows me to group tabs. But I would like to see only the name of the group and not the whole list. How can I collapse the list… (read more)

I am starting to use the new utility which allows me to group tabs. But I would like to see only the name of the group and not the whole list. How can I collapse the list of tabs which belong to a group leaving only the group name shown. Then with a click I should be able to see the corresponding list of tabs if I need it. Saving and closing a group is not a solution, as the group disappears from the Sidebar. Thank you for your help. Best regards Ray Ballisti [edited] @bluewin.ch Switzerland

Solved Archived 4 372

Unable to post an addon review

Hi, When on this page: https://addons.mozilla.org/en-US/firefox/addon/antffw/reviews/?page=9 even in safe mode, I don't see a button allowing to post a review. I am of co… (read more)

Hi,

When on this page:

https://addons.mozilla.org/en-US/firefox/addon/antffw/reviews/?page=9

even in safe mode, I don't see a button allowing to post a review.

I am of course logged in. What am I missing?

Solved Archived 3 365

Firefox ESR: Firefox translate not offered

Got a number of devices with Firefox installed, all of them Firefox Sync'ed. Most of them on rapid release version cycle and a couple of them on ESR. When https://support… (read more)

Got a number of devices with Firefox installed, all of them Firefox Sync'ed. Most of them on rapid release version cycle and a couple of them on ESR.

When https://support.mozilla.org/en-US/kb/website-translation it provided a clean way to browse entire pages automatically translated. Problem is that the translate option is not there.

I'm at work right now on ESR 115.15.0 / Windows 10 64-bit and no translate icon appears on the address bar when checking German or French or Japanese sites (for example). Comparing my own browser settings to another, non-ESR FF it seems that on ESR something is missing. There is only a reference "Firefox Translations" and a "Exceptions" button to it. Check the attached image.

Can't tell if this is a bug or a feature (ie ESR lacks Firefox translate).

Solved Archived 7 363

Firefox 128 ESR on Debian 12 cannot play videos

Hello, There has been an upgrade of Firefox ESR to version 128.3 on Debian 12 bookworm. Before the update, I could play videos, now I can't. I precise I can play videos o… (read more)

Hello,

There has been an upgrade of Firefox ESR to version 128.3 on Debian 12 bookworm.

Before the update, I could play videos, now I can't.

I precise I can play videos on Chromium, or with the video players.

I have libavcodec58, libavcodec-extra59, ffmpeg 5.1.6 packages installed.

There is an error in the console: Media resource xxx.webm could not be decoded. Specified “type” attribute of “video/mp4” is not supported. Load of media resource xxx.mp4 failed.

This command seems to indicate the session is X11 and not Wayland: ``` loginctl show-session 1 -p Type Type=x11 ```

Solved Archived 3 363

The page goes to the main page by itself.

I have a problem on the aliexpress website. (in other browsers everything works fine) When I open tabs with goods on aliexpress. and start switching between them, then at… (read more)

I have a problem on the aliexpress website. (in other browsers everything works fine) When I open tabs with goods on aliexpress. and start switching between them, then at the moment of switching to another tab, my previous tab itself is updated and opens the main page. And there is no way to even press the “Back” button. The browser seems to reload the page completely. The chatgpt was unable to find a solution. All hope is on you. There are no errors. It's just that the aliexpress page reloads by itself when I switch to any other tab.

Solved Archived 4 355

What with these HUGE cookie file sizes?

I took a look today and I had 237 MB in cookies! This was after clearing the cache of all files. I've only had this (new) machine a couple months. Short version: Sites h… (read more)

I took a look today and I had 237 MB in cookies! This was after clearing the cache of all files. I've only had this (new) machine a couple months.

Short version: Sites have "cookies" from 200kb to as much as 34MB! For many of the sites over 3MB I have no account and have visited them only briefly.

To be clear, I don't care about the space being used. It's trivial. But what the heck is FFox storing and calling it "cookies"? Last I checked, a site was still limited to 4K size cookies and perhaps 50 per domain. So how are we getting to MB+ sized "cookies" per site? Again, the cache was cleared, so what's left aside from trivial cookie files of <4KB?

Desktop; Windows 11; Firefox 139.0.4 64 bit

Solved Archived 2 351

Unicode Bold Characters do not Display on Webpages (But do Display in Inspect)

I've noticed recently that some Unicode characters are not rendering properly on some websites. Specifically the Unicode characters for Mathematical Bold Capitals, though… (read more)

I've noticed recently that some Unicode characters are not rendering properly on some websites. Specifically the Unicode characters for Mathematical Bold Capitals, though there may be others. I've noticed this issue on Twitch and GitHub. Screenshots for the repository sainnhe/everforest are attached along with the Inspector. Notice the characters do not appear properly on the webpage but are rendered just fine in Inspector. I also attached the screenshot for Unicode Mathematical Bold Capital E.

I am running Firefox version 132.0 on macOS Sequoia 15.0.1. The problem remains in Troubleshoot Mode. The problem does not appear in Chrome or Safari. The problem does not appear on my iPhone or Android tablet.

In posts with similar issues I've seen the suggestion to toggle "Allow pages to choose their own fonts", the issue does not respond to changing this setting (it is on in all the screenshots).

Solved Locked Archived 1 344

Screenshot not downloading after selecting "save visible"

The screenshot function seems to have a bug. The function works as far as selecting "save full page" or save visible" but the image download never happens. Version is up … (read more)

The screenshot function seems to have a bug. The function works as far as selecting "save full page" or save visible" but the image download never happens. Version is up to date and I have restarted but the issue persists.

Solved Archived 6 341

Cannot access websites because I'm using Firefox.

I have 6 websites that I currently cannot sign into using Firefox. Support tells me to use those two crap browsers Chrome and Edge. I end up using Edge because it is embe… (read more)

I have 6 websites that I currently cannot sign into using Firefox. Support tells me to use those two crap browsers Chrome and Edge. I end up using Edge because it is embedded in my computer and I cannot delete. I will not install Chrome and have put on Avast Secure Browser and CClean browser. Both are just Chrome with a new gooey. My Father is also having the same trouble. Most of the sites are for Utilities and rewards programs. Avast is also blocked. Are you aware and working on getting this fixed?

Solved Archived 7 332