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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… (διαβάστε περισσότερα)

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?

Ερώτηση από wauwufflp 1 έτος πριν

Απάντηση από cor-el 1 έτος πριν

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Firefox and Chrome wont load google.com or captchas "SSL_ERROR_BAD_CERT_DOMAIN" error

Both Chrome and Firefox wont load google.com or any captchas. The Discord log in also requires a captcha, th is wont load either. I get the error "SSL_ERROR_BAD_CERT_DOMA… (διαβάστε περισσότερα)

Both Chrome and Firefox wont load google.com or any captchas. The Discord log in also requires a captcha, th is wont load either. I get the error "SSL_ERROR_BAD_CERT_DOMAIN" when attempting to load google.com. This does not occur on any other website. I've already tried using another profile, renaming the cert file, setting windows time and date to automatic and running malwarebytes. The problem persists.

https://www.google.com/

Unable to communicate securely with peer: requested domain name does not match the server’s certificate.

HTTP Strict Transport Security: false HTTP Public Key Pinning: true

Certificate chain:


BEGIN CERTIFICATE-----

MIIDfjCCAmagAwIBAgIQNRqFxSaATalMGz4ZlBXBtTANBgkqhkiG9w0BAQsFADAj MSEwHwYDVQQDDBhEaWdpQ2VydCBHbG9iYWwgUm9vdCBHMUEwHhcNMTkwNDA1MDk0 NDM4WhcNMzAwNDA1MTk0NDM4WjAcMRowGAYDVQQDDBF3d3cuZ29vZ2xlLmNvbS5h dTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALM9RDfviXLtvVRTktFA 44cXX6Ez6W8ulsOH+xNLwUq0aZnfjLAt1sTg1THDj8XqXHytD+vqtOWkv4/iWf4C 0yBmljluIslsdimrQhQRGJh3Goio8nLG+/thNjlDjuOh04Jo09YEU9r6fDRstn/b DKyaU3eKhJZ6QbAzUQb4mKpXR9Xw70VcwT16nfN9JIKiAWwhEqRL+c2tV5DcChwc UqsHvyccraD82eFL3K7LH61q2kCQDhxcS4WfjVspcU5fiTmL+czT3cAMhY4FDsRd 2udxvankHH+CbdoOcRODlcmy2V0lOSnrLXRfeqdnR1Wscq43rxsYqvyugNpN0BR9 KtkCAwEAAaOBtDCBsTATBgNVHSUEDDAKBggrBgEFBQcDATAMBgNVHRMBAf8EAjAA MA4GA1UdDwEB/wQEAwIFoDA8BgNVHREENTAzghF3d3cuZ29vZ2xlLmNvbS5hdYIP Ki5nb29nbGUuY29tLmF1gg1nb29nbGUuY29tLmF1MB8GA1UdIwQYMBaAFLnaK2zy VfI6Vj7KeoW6/iwDog4pMB0GA1UdDgQWBBRN+D1mXNPnod7CfJYS90hAMeltBTAN BgkqhkiG9w0BAQsFAAOCAQEAGfJch7obdXr4czz6veN+4DGGxEJW/tbYZcRPBymh 0xA3GrcAzjO+v2+HFhU3ZftqJLJ7PZ0lCoXGof8DLEjrjdOdgTH823RPbb6GYmdA 7/ZCciqTJXivh0u5kaOb73WMuIqcCAk7ESgKOmGz6lm+LO5D/ZMlhd6/zZh/BVGC krcOzu+aeQ7AzjuAYd9u8DAiBsg/u26QZSbLWc4WLzA28EcDf2UygfHsPLa7WzoL qkNPv3TZF/mjANNsRGizrtMrzF8TzKFHm2vOMUtwukKDgENZKpsfuW98VsMDbZ/K O+XYlu/Ml/XP0I/EgKY+HcaB7ubiJVva5WqD7n9fKrjZCg==


END CERTIFICATE-----

Ερώτηση από LaW 1 έτος πριν

Απάντηση από cor-el 1 έτος πριν

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Can't access Wikipedia (and some other sites): “Secure Connection Failed”

Hello, everyone. My Firefox (v76.0.1, Windows 10 Pro 1909) can't access the English Wikipedia (en.wikipedia.org) and some other sites I need to work with. This started ha… (διαβάστε περισσότερα)

Hello, everyone. My Firefox (v76.0.1, Windows 10 Pro 1909) can't access the English Wikipedia (en.wikipedia.org) and some other sites I need to work with. This started happening suddenly Tuesday night.

This is the error (in English, since my Firefox is in Brazilian Portuguese):

Secure Connection Failed

An error occurred during a connection to en.wikipedia.org. PR_END_OF_FILE_ERROR

The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.

Please contact the website owners to inform them of this problem.

upload.wikimedia.org gives me the same error. The bizarre thing is that Wikipedias in other languages seem to work normally. Other browsers work fine.

Searching it online, it doesn't seem to be a common problem, and it just started happening by itself. I don't remember installing anything on this PC that day. My only antivirus is Windows Defender. I don't use any VPNs.

Tried all solutions I could find on Google. So far I did:

  • Ctrl + F5
  • Edited the hosts file
  • Deleted cert8.db
  • Changed network proxy settings to No proxy and Automatically detect proxy configuration (was in Use system settings)
  • Toggled DNS over HTTPS
  • Went in about:config and toggled network.dns.disableIPv6
  • Started Firefox in Safe Mode
  • Backed up the profile folder and just let Firefox create a new one
  • Rebooted my router

None of that worked.

I work with site builder platforms and since yesterday the error is starting to creep up in those servers, too.

Any ideas? I just noticed that Wikipedia search is gone from the list of opensearch engines also… This is getting increasingly bizarre…

Ερώτηση από El Buga 1 έτος πριν

Απάντηση από El Buga 1 έτος πριν

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Firefox 76.0.1 not playing embedded Twitter videos

On the entertainment media site Buzzfeed, clicking on a post of an embedded Twitter video gives me a blank white image. No error message like "Unable to play the file". I… (διαβάστε περισσότερα)

On the entertainment media site Buzzfeed, clicking on a post of an embedded Twitter video gives me a blank white image. No error message like "Unable to play the file". I did a clear history, cache & cookies and refreshed Firefox. I ran the apt update for Ubunto. It had been operating smoothly in the past. If I go to Twitter, it plays. It just goes blank when I click on the video embedded in the post.

Thank you for any assistance.

Ερώτηση από varices 1 έτος πριν

Απάντηση από varices 1 έτος πριν

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Prevent new window from hiding addons in toolbar

Recently, when a popup window appears, the toolbar doesn't have buttons for any of my addons. In about:config, I'd intentionally set dom.disable_window_open_feature.toolb… (διαβάστε περισσότερα)

Recently, when a popup window appears, the toolbar doesn't have buttons for any of my addons.

In about:config, I'd intentionally set dom.disable_window_open_feature.toolbar to true (following the solution provided in: question 1206512).

Previously, this was successful in ensuring that popup windows got the full toolbar, but now it has stopped working.

I'm not sure exactly which release this started with.

Steps to reproduce:

1) Set dom.disable_window_open_feature.toolbar to true.

2) Visit https://jeffersonscher.com/res/popit.html and follow the third link.

3) The window that pops up has no toolbar icons for the installed extensions.

Ερώτηση από pg_78 1 έτος πριν

Απάντηση από jscher2000 1 έτος πριν

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How Do I Change The URL Bar Text Color?

I'm on FF 76.0.1 The text color of the locations in the URL bar is a mix of black and grey ... black for the website and grey for everything else. All I wanna do is chang… (διαβάστε περισσότερα)

I'm on FF 76.0.1

The text color of the locations in the URL bar is a mix of black and grey ... black for the website and grey for everything else. All I wanna do is change all of the text to black. How can I do this? I just need the code to plug into my userChrome.css file.

KenB67

Ερώτηση από KenB67 1 έτος πριν

Απάντηση από cor-el 1 έτος πριν

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MAC Your Firefox profile cannot be loaded. It may be missing or inaccessible (Already deleted Profiles file/folder and cleared cache, no avail). how to fix?

Alright, I use Firefox like normal, but sometime today it stopped working, I get "Your Firefox profile cannot be loaded. It may be missing or inaccessible" error, I looke… (διαβάστε περισσότερα)

Alright, I use Firefox like normal, but sometime today it stopped working, I get "Your Firefox profile cannot be loaded. It may be missing or inaccessible" error, I looked it up using safari, followed every possible interpretation of the instructions to no avail, I deleted the profiles folder and file, in both cache, and application support, on both my user folder and global HDD folder, no fix whatsoever, I don't know why this isn't working (yes I checked the hidden files, I searched my entire HDD and found no results for anything remotely named "Profile"/"Profiles" and I don't know what else to say.

I have checked: Application support (on every user) & Cache (on every user)

I don't know what's up, I also reinstalled Firefox after deleting everything related to it and I just don't know.

Ερώτηση από Phayden 1 έτος πριν

Απάντηση από Phayden 1 έτος πριν

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Reinstalled fresh windows on my laptop, Firefox is not syncing my data (bookmarks, passwords) from last windows

My windows 10 was performing very poorly so i had to reinstall it. After fresh installation of windows 10 in my laptop, when i asked firefox browser to sync the data, it … (διαβάστε περισσότερα)

My windows 10 was performing very poorly so i had to reinstall it. After fresh installation of windows 10 in my laptop, when i asked firefox browser to sync the data, it did nothing.

All my bookmarks and passwords are gone. I reinstalled the browser and nothing happened.

Last year, i installed firefox in a my same laptop (windows 10 reinstalled), Firefox synced all of the data, including my add-ons.

I had a plenty of bookmarks which are gone now, really need some help.

I am so worried. Somebody please help.

Ερώτηση από Ahsan Taqveem 1 έτος πριν

Απάντηση από schnrl 1 έτος πριν

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Firefox started to crash this morning

I experience repeatable tab crashes since today morning at various websites, most prominently www.reddit.com. The crashes do happen in safe mode as well and after the cle… (διαβάστε περισσότερα)

I experience repeatable tab crashes since today morning at various websites, most prominently www.reddit.com. The crashes do happen in safe mode as well and after the clean up Firefox procedure. Crash ID is bp-b02f6b64-cca8-4b66-a803-d5c000200518

Ερώτηση από Maik 1 έτος πριν

Απάντηση από Maik 1 έτος πριν

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Cannot set exceptions in cookies and site data

Outlook on the web will not launch from Office 365: -( Something went wrong Repeating redirects detected. Click here to sign out. X-ClientId: DFD46A985D07471A8373B0D7F2… (διαβάστε περισσότερα)

Outlook on the web will not launch from Office 365:

-(

Something went wrong Repeating redirects detected.

Click here to sign out.

X-ClientId: DFD46A985D07471A8373B0D7F250B09F X-Redir-Error ArLym14B4LPc7fj11wg|AsTJRt4BNJjQ7fj11wg|ArLym14Biwl_7fj11wg|AsTJRt4Bz3N07fj11wg|ArLym14BsJgp7fj11wg|AsTJRt4BZ4sf7fj11wg|ArLym14BgGjK7Pj11wg|AsTJRt4Bkz-07Pj11wg|ArLym14BjMxu7Pj11wg|AsTJRt4BYzlj7Pj11wg|ArLym14Bd3kV7Pj11wg|AsTJRt4BPoIK7Pj11wg|ArLym14B1ku16_j11wg|AsTJRt4BZkum6_j11wg|ArLym14By4BN6_j11wg|AsTJRt4BBjY16_j11wg|ArLym14BHWHg6vj11wg|AsTJRt4BR-7P6vj11wg|ArLym14BRUKR6vj11wg|AsTJRt4BfVSC6vj11wg|ArLym14BNJwo6vj11wg X-FEServer DM5PR19CA0004 Date:5/11/2020 10:16:18 PM

Microsoft wants me to set

http://*.outlook.com https://*.microsoftonline.com

in trusted sites. "Exceptions - Cookies and Site Data" does not allow entering URLs. Please see my screen capture.

Ερώτηση από SK_AusTX 1 έτος πριν

Απάντηση από SK_AusTX 1 έτος πριν

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Can't find dictionary in context menu

I have the latest English United States Dictionary extension installed and it works for spellcheck OK. Is there a way to use the dictionary to look up a definition? I hav… (διαβάστε περισσότερα)

I have the latest English United States Dictionary extension installed and it works for spellcheck OK. Is there a way to use the dictionary to look up a definition? I have tried several extensions, but they all require linking to and opening a separate page. I'm used to the ability in Safari to look up a definition in the context menu. Is that possible with Firefox?

Ερώτηση από Ken Creary 1 έτος πριν

Απάντηση από Ken Creary 1 έτος πριν

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LaTeX / KaTeX / math-jax doesn't render on many sites

Some math typesetting doesn't render. Neither on my desktop Firefox nor my android Firefox installs. I believe it is just KaTeX, especially from pages with github type ma… (διαβάστε περισσότερα)

Some math typesetting doesn't render. Neither on my desktop Firefox nor my android Firefox installs. I believe it is just KaTeX, especially from pages with github type markdown rendering.

This does not render correctly [image attached]. It appears to be a 'math-jax' typesetter actually, judging by the header scripts.

This does render... eventually. But the page layout jumps around. It displays the underlying tex for a bit before the typesetter executes. Very usable but a little jarring every time it loads.

The problem persists in safe-mode. I have also tried multiple extensions to force or add rendering support but none have helped.

Ερώτηση από Hank 1 έτος πριν

Απάντηση από cor-el 1 έτος πριν

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Outlook email popouts are not working!! Your stupid suggestion was to delete all my history and cache. I did and it still doesn't work. What a WASTE!!!

None of the office 365 email popouts work! I cannot reply all with a meeting invite because it creates a popout. I cannot double click on an email because it creates a po… (διαβάστε περισσότερα)

None of the office 365 email popouts work! I cannot reply all with a meeting invite because it creates a popout. I cannot double click on an email because it creates a popout. I cleared all of my cache because that is the closest thing I could find in this stupid ocean of help questions. It used to work in firefox...but your update changes and microsofts' did something to break it. can you help? Or is there a chat or a real person to talk to? Otherwise all my team will have to use a different browser from now on...I actually like Firefox...but not this support conglomeration.

Here is an example of the popout url... but the screen is gray!

https://outlook.office365.com/mail/deeplink?version=2020051101.02&popoutv2=1&leanbootstrap=1

Ερώτηση από krisklugcreel 1 έτος πριν

Απάντηση από jscher2000 1 έτος πριν

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Cannot find spurious login IDs at about:logins

Say that I have a login at a site, and I got there previously with another browser. When I go to the same site with Firefox for the first time, that site's ID field might… (διαβάστε περισσότερα)

Say that I have a login at a site, and I got there previously with another browser. When I go to the same site with Firefox for the first time, that site's ID field might drop down to show a number of entries, and many times (but not always) there is no "View Saved Logins" below the list.

Here is an example of a site than many readers of this might not go to: DevonTechnologies.com and this might be the same for you. Devon's login ID wants an email address, and the field dropped down to show 29. A bunch of them were emails I would swear on my kid's heads I have never used anywhere, not even in another browser, and one was a misspelling of my own email address. Only a small few were addresses that were valid elsewhere. But here is the rub: A search of about:logins for the weird addresses and my misspelling came up empty.

Further, I can go to another site I have never visited with Firefox, and I might not get a drop-down at all or I might get just one of my three typical email addresses.

For those sites where I have used Firefox for the first time, the questions are

  • Where did Firefox get those spurious addresses?
  • Where did Firefox get a good address, and why did it leave out the "usual" others?
  • Why are the odd logins not found at about:logins?

I have Firefox 76.0.1 under Catalina 10.15.4, and I sync with Lockwise.

Thanks.

Ερώτηση από TLMurray 1 έτος πριν

Απάντηση από jscher2000 1 έτος πριν

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Attempting to seach for a bookmark (in Firefox Library) causes "not responding" message, altho search is completed in 8 minutes. Help?

Hi...Every time I attempt to search for a bookmark by clicking "show your bookmarks" (or Ctrl/shift/b), then selecting "all bookmarks", then attempting to type something … (διαβάστε περισσότερα)

Hi...Every time I attempt to search for a bookmark by clicking "show your bookmarks" (or Ctrl/shift/b), then selecting "all bookmarks", then attempting to type something in the search box, it freezes...and just allows me to press enter, it then turns the "x" in the top right red, and gives a "Not responding" message next to Library(in the top left)..I can still click the red x to cancel the search.

I say attempting to do a search, as it only allows me to type up to 4 (is the most) letters in the search box...its often just one letter before it freezes, and the curser turns into a spinning blue circle....If i just leave it for around 8 minutes,(after pressing enter) it then lists my bookmarks with the search criteria I had used, and the "Not responding" message disappears....and the machine goes back to normal

I have tried removing all my addons and extensions, tried renaming my prefs.js file, but it still hangs and takes 8 minutes.

I havent as yet done a reinstall of Firefox without any of my personal data, or tried a refresh.

The laptop is an HP i7 16gb ram, Win 10 Pro 64bit 1909, Firefox 76.0.1...with all updates present.

Ερώτηση από Bob 1 έτος πριν

Απάντηση από Bob 1 έτος πριν

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I'm locked out of viewing saved passwords, and my Firefox login and password aren't giving me access

I'm using the latest version of Firefox (I have automatic updates enabled) on my Windows desktop. I am trying to view a saved password I created a while ago so I can use… (διαβάστε περισσότερα)

I'm using the latest version of Firefox (I have automatic updates enabled) on my Windows desktop. I am trying to view a saved password I created a while ago so I can use it in another application. I used to be able to view passwords via the "Logins and Passwords" option, followed by clicking on the eye symbol. Now when I try I am prompted to "verify my identity" with a login. My firefox account login and password (which I verified are correct) don't give me access.

My research suggests Firefox now uses Firefox Lockwise to secure passwords. I have not created a Firefox Lockwise account, so do not have an account name or password for it (if that's even necessary).

Another user posted a solution to a similar problem which he stated was a "temporary fix" that "may not work for future updates", and I am concerned. I would like to be able to view my saved password, now and in the future. How do I once again get access to my saved passwords?

Ερώτηση από j_d_spear 1 έτος πριν

Απάντηση από cor-el 1 έτος πριν

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I'm on Firefox release 76 - I need to create a backup of my bookmarks to import to another PC, but I can't find an Export option in the Library menu.

There's no Export option on my Library menu - although there's an Import. I also can't see a Backup. I need to create a file of my bookmarks - how can I do this?

Ερώτηση από Chris Longman 1 έτος πριν

Απάντηση από jscher2000 1 έτος πριν

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When I enter a subdomain Firefox goes to the old destination, not to the correct one.

When I enter http://mauldin.scottcrosby.info the browser should show webpage: https://www.scottcrosby.info/scottschoice.us/mauldin.html Instead it displays the ol… (διαβάστε περισσότερα)

When I enter http://mauldin.scottcrosby.info

 the browser should show webpage:  
   https://www.scottcrosby.info/scottschoice.us/mauldin.html
 Instead it displays the old webpage that link used to point to:  
   https://politics.scottcrosby.info/mauldin.html

Why? How do I fix it? All browsers on other PCs, and IE and MS-Edge on this PC work correctly.

Ερώτηση από SCrosby52 1 έτος πριν

Απάντηση από jscher2000 1 έτος πριν