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Firefox doesn't support HTML5 while other Browsers do. Latest Ubuntu 20.04. LTS

So the problem is that Firefox doesn't play any HTML5 content. Weirdly except for Youtube. Youtube works just fine. But every other Website shows errors. Even songsterr.c… (tuilleadh eolais)

So the problem is that Firefox doesn't play any HTML5 content. Weirdly except for Youtube. Youtube works just fine. But every other Website shows errors. Even songsterr.com. I'm using latest Firefox 76.0.1 on a recent Ubuntu 20. 04 LTS installation. Usual troubleshooting like updates doesnt work because "sudo apt-get upgrade" doesn't find any updates. I tried the same websites in the latest version of Chromium and they work perfectly fine. I couldn't find a mistake in the firefox settings or something so I'm confused. Disabling Plugins didn't change anything and turning of tracking protection didn't either. What is the Problem here and how can I solve it?

Asked by wauwufflp 2 bhliain ó shin

Answered by cor-el 2 bhliain ó shin

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Getting search results to open in a new tab instead of the current one

I've been using Firefox for many years, and search results have always opened in a new tab by default. Now, with Firefox 81.0.2, they're opening in the current tab, and … (tuilleadh eolais)

I've been using Firefox for many years, and search results have always opened in a new tab by default. Now, with Firefox 81.0.2, they're opening in the current tab, and I can't figure out how to get back the old way. Does anybody know?

Asked by sideburns 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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82.0 scroll bar too thin

Searching everywhere and cannot find a solution. Perhaps there is none. Followed suggestions here: https://support.mozilla.org/en-US/questions/1297345 in an attempt to… (tuilleadh eolais)

Searching everywhere and cannot find a solution. Perhaps there is none. Followed suggestions here: https://support.mozilla.org/en-US/questions/1297345 in an attempt to increase width of scroll bar but see that just reproduces the default setting.

So the question stands: how to increase width of scroll bar?

The scroll bar is super thin.

Any suggestions for Ubuntu 20.04.1 LTS Firefox 82.0 (64-bit)

Thanks.

Asked by jeffschips 1 bhliain ó shin

Answered by jeffschips 1 bhliain ó shin

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Firefox is not opening correctly

Hi today I opened my linux installation and Firefox is only getting a window with the text: <toolbarbutton id="UITourTooltipClose" class="close-icon" <… (tuilleadh eolais)

Hi today I opened my linux installation and Firefox is only getting a window with the text:

             <toolbarbutton id="UITourTooltipClose" class="close-icon"
</pre>

I tried to run from the console with the --MOZ_LOG_FILE flag and the generated file has absolutely no text in it.

Some information about my system: kernel: Linux localhost.localdomain 5.7.7-1-default #1 SMP Wed Jul 1 19:03:27 UTC 2020 (cba119b) x86_64 x86_64 x86_64 GNU/Linux

OS: openSUSE 20200715

DE: KDE 5.72.0 / Plasma 5.19.3

Version: 78.0.2-1.1 (according to zypper info MozillaFirefox command)

Asked by Gresthol 1 bhliain ó shin

Answered by FredMcD 1 bhliain ó shin

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Remove the minimize, maximize, and close buttons

I'm running Ubuntu 20.10 with GNOME Shell extension Unite which can add the minimize, maximize and close buttons to the top bar and remove the buttons from the title bar … (tuilleadh eolais)

I'm running Ubuntu 20.10 with GNOME Shell extension Unite which can add the minimize, maximize and close buttons to the top bar and remove the buttons from the title bar of apps. The does not work in Firefox, minimize, maximize & close remain. I'm assuming this is related to Firefox's ability to remove the title bar all together so tabs can be at the top. The Firefox Customize... page allows you to change just about everything else in the UI except these three buttons.

Is there a way to remove Firefox's minimize, maximize and close buttons?

In case it matters I really only care about the Close button (not Close tab) because GNOME Tweaks lets you remove the minimize & maximize buttons from all apps.

Thanks

Asked by Elias K Gardner 1 bhliain ó shin

Answered by Elias K Gardner 1 bhliain ó shin

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WebGL stopped working after the Firefox 88 upgrade

Per the title, webgl suddenly stopped working a couple days ago. The error seems to be: WebGL creation failed: * WebglAllowWindowsNativeGl:false restricts context creatio… (tuilleadh eolais)

Per the title, webgl suddenly stopped working a couple days ago. The error seems to be:

WebGL creation failed: * WebglAllowWindowsNativeGl:false restricts context creation on this system.

I'm on Ubuntu 21.04 (X, not wayland) with an nvidia graphics card. The "share data" below seems comprehensive, but let me know if any other info will help.

Asked by john588 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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No compatible source was found for this media.

I upgraded SuSE leap 15.1 to 15.2 two days ago and still can't play videos or live streams on most of websites. Works only on youtube and rumble. On twich, netflix,odysee… (tuilleadh eolais)

I upgraded SuSE leap 15.1 to 15.2 two days ago and still can't play videos or live streams on most of websites. Works only on youtube and rumble. On twich, netflix,odysee and several others is no go. With other web browsers is just a same, I tried Cromium and Opera I have and love Firefox 78.10.0, ffmpeg is installed , Leap is updated via Yast ... what is that I'm forgetting?

Thanks,

Asked by cmdr.glenel 1 bhliain ó shin

Answered by cmdr.glenel 1 bhliain ó shin

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Firefox throws SEC_ERROR_BAD_SIGNATURE error for a site but Chromium says certificate is valid

Hi all, I have an Apache site on Kubuntu 20.04 with a certificate signed by my private CA. I've added the root CA ceritificate in Firefox and in Chromium. Firefox throws … (tuilleadh eolais)

Hi all, I have an Apache site on Kubuntu 20.04 with a certificate signed by my private CA. I've added the root CA ceritificate in Firefox and in Chromium.

Firefox throws a SEC_ERROR_BAD_SIGNATURE error

Chromium accept the certificate as valid

What can I do?

Notes: the site url is "https://hdev.h.net" (with an internal IP address inside my lab)

Attached there are:

- the authority settings page
- the certification authority certificate as seen by Firefox
- the site certificate

Firefox version 82.0 Ubuntu Chromium version 86.0.4240.11

Asked by m.busico 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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DRM content won't play

After installing the DRM content through the browser I still cannot play any videos on Netflix or Udemy. I have run this website (https://www.jeffersonscher.com/sumo/htm… (tuilleadh eolais)

After installing the DRM content through the browser I still cannot play any videos on Netflix or Udemy.

I have run this website (https://www.jeffersonscher.com/sumo/html5-video.html) from previous answers to check and the results are attached to the question.

I have also checked media.eme.enabled and it is set to true.

I am very much puzzled by this.

Asked by Alex 1 bhliain ó shin

Answered by jonzn4SUSE 1 bhliain ó shin

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Firefox no Xorg

How do I run Firefox on Xorg without installing window manager on linux I'm testing on ubuntu minimal Is this the one? X DISPLAY =: 0 firefox

Asked by jadsom-2001 1 bhliain ó shin

Answered by ARMAN KHAN 1 bhliain ó shin

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How to hide all tabs in one or more containers

https://support.mozilla.org/en-US/kb/containers seems to suggests that it's possible to hide all tabs in certain containers, but does not explain how to do that. "Hide an… (tuilleadh eolais)

https://support.mozilla.org/en-US/kb/containers seems to suggests that it's possible to hide all tabs in certain containers, but does not explain how to do that.

"Hide and Show: Assume you use your browser for both Work and Personal tasks. When you come home at the end of the day, you don’t want to be thinking about “Work” anymore, but your browser is full of Work tabs. You can “Hide” your Work tabs and proceed with your Personal tasks. Then the next day, when you are back at work, you can “Hide” your Personal tabs and “Show” your Work tabs."

On an aside, I'm also getting pretty confused between collections (mobile), containers (desktop), sessions, tab groups, etc... they all seem to have overlapping but different functionality.

Asked by chrisvdb 2 bhliain ó shin

Answered by RobertJ 2 bhliain ó shin

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Firefox 91 Linux - WebGL stopped working

WebGL has stopped working. I think this has happened with Firefox 91. For example, http://webglsamples.org/aquarium/aquarium.html gives the error Status: WebGL creation f… (tuilleadh eolais)

WebGL has stopped working. I think this has happened with Firefox 91.

For example, http://webglsamples.org/aquarium/aquarium.html gives the error Status: WebGL creation failed: * tryNativeGL () * Exhausted GL driver options. (FEATURE_FAILURE_WEBGL_EXHAUSTED_DRIVERS)

I'm running Firefox on Debian on ChromeOS.

On about:support, WebGL 1 Driver Renderer: Red Hat -- virgl WebGL 2 Driver Rendered: Red Hat -- virgl

There are no WebGL errors in about:support

I've tried the Troubleshoot Mode but that made no difference.

Asked by Rob 10 mí ó shin

Answered by Rob 9 mí ó shin

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How can I make DuckDuckGo my default search engine?

I have searched & searched and read & read and have not found Joy. I followed the Firefox DDG install instructions at duckduckgo.com (which succeeded and now that… (tuilleadh eolais)

I have searched & searched and read & read and have not found Joy.

I followed the Firefox DDG install instructions at duckduckgo.com (which succeeded and now that it's succeeded can't be duplicated), and here: https://www.linuxmint.com/searchengines/anse.php?sen=DuckDuckGo (which doesn't work), but here: 'Preferences' > 'Search' > 'Default Search Engine' DuckDuckGo doesn't appear in the drop-down list. Help!

Asked by Mark Filipak 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Change default bookmark location to "other" instead of most recently used folder

Is there a way that I can change this setting in config rather than downloading an add-on? This changed with the most recent Firefox update for me (I'm currently on 85.0.… (tuilleadh eolais)

Is there a way that I can change this setting in config rather than downloading an add-on? This changed with the most recent Firefox update for me (I'm currently on 85.0.1. for Ubuntu). Currently, the default save behavior is for bookmarks to save to the most recent folder you've picked. My preferred behavior would be for all bookmarks to save to "Other bookmarks" until I can file them away later.

Asked by reginakbuhl 1 bhliain ó shin

Answered by jscher2000 - Support Volunteer 1 bhliain ó shin

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Manage cookies in a container

I am using Multi-Account Containers, and am unclear on how it interacts with the other cookie and storage management features of the browser. If I clear cookies from Pre… (tuilleadh eolais)

I am using Multi-Account Containers, and am unclear on how it interacts with the other cookie and storage management features of the browser. If I clear cookies from Preferences -> Privacy & Security -> Cookies and Site Data -> Clear Data, does that clear all cookies in all containers, or just in "No Container"? Is there a way to delete/manage cookies within just a single container? Is there a way to delete/manage cookies for just "No Container"? Is there a plugin to help with this, or a manual means of editing cookies (editing text file or sqlite database)?

Asked by pavon 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Youtube CORS error

Hi, I faced the problem with Youtube recommendations on a video page. When I watch a video I can't see recommendations, comments and video title (see the image). In conso… (tuilleadh eolais)

Hi, I faced the problem with Youtube recommendations on a video page. When I watch a video I can't see recommendations, comments and video title (see the image). In console i get an error: Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://googleads.g.doubleclick.net/pagead/id. (Reason: CORS request did not succeed).

I am on arch linux system.

I've tried to: 1. Update all ca-certificate* packages 2. Disable and delete ad-block 3. Use another browser (there is no problem, only in firefox)

This problem is only actual on Youtube for me.

Asked by Yuudai 1 bhliain ó shin

Answered by cor-el 1 bhliain ó shin

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Installation aborted because the add-on appears to be corrupt

We have a new add-on of our own that we were trying to add to the Firefox browser. This add-on was tested locally and worked fine. However, upon trying to install the off… (tuilleadh eolais)

We have a new add-on of our own that we were trying to add to the Firefox browser. This add-on was tested locally and worked fine. However, upon trying to install the official add-on to the browser, it is throwing the following error, "Installation aborted because the add-on appears to be corrupt".

The add-on in question is, https://addons.mozilla.org/en-US/firefox/addon/searchgiggle-search/

Any suggestions to address this issue would be appreciated.

I also noticed another post or two about the same topic. As per those posts, the issue got resolved automatically after some time. Can I expect the same?

Asked by srik.kid2012 1 bhliain ó shin

Answered by srik.kid2012 1 bhliain ó shin

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Firefox hangs Ubuntu 20.04

After installing Ubuntu 20.04 LTS Clicking on Firefox or Thunderbird it hangs the computer and have to switch off the computer on main switch. Reinstall Mozilla once but … (tuilleadh eolais)

After installing Ubuntu 20.04 LTS Clicking on Firefox or Thunderbird it hangs the computer and have to switch off the computer on main switch. Reinstall Mozilla once but no difference still hangs Ubuntu. Need help on this one Thank you

Asked by Lumaja 1 bhliain ó shin

Answered by schnrl 1 bhliain ó shin

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Completely disable Firefox update on Ubuntu

I am using Firefox on an old Ubuntu machine, and found myself unable to disable the auto update feature of Firefox. I understand why Firefox wants to do auto update, but … (tuilleadh eolais)

I am using Firefox on an old Ubuntu machine, and found myself unable to disable the auto update feature of Firefox. I understand why Firefox wants to do auto update, but for me personally it's negatively impacting my productivity. Many times I was looking up reference materials only to be told that I need to restart Firefox because it just updated itself. Imagine how frustrating it is, especially when I use the Private Browsing mode a lot to avoid having to clean up browsing history and cached files later. All in all, while the auto update feature might be good for some users, it's just not working for me, so I want it to be disabled.

I tried a couple of things. First, there's nothing in the "Preferences" page related to the auto update. Second, I tried to change the value of "app.update.auto" in the "about:config" page to false, and it still does auto update. Finally, I tried to add a "policies.json" file to "/etc/firefox/", with the following content:

{ "policies":

  {
    "AppAutoUpdate": false,
    "DisableAppUpdate": true,
    "DisableTelemetry": true
   }

}

Yet it still does auto updates. As a matter of fact, it updated itself to version 80 just now. This driving me crazy. Any useful suggestions will be sincerely appreciated.

Asked by dev.1one.w01f 1 bhliain ó shin

Answered by dev.1one.w01f 1 bhliain ó shin