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Unable to play any YouTube videos as "video formats not recognised".

Hey there, I'm new to the forums and apologise if this question has already been solved and ask - I've had a thorough look through but seem to be experiencing a differen… (read more)

Hey there,

I'm new to the forums and apologise if this question has already been solved and ask - I've had a thorough look through but seem to be experiencing a different problem to other users seeing the same error message, which reads:

"Your browser does not currently recognise any of the video formats available."

This happens for any YouTube video I try to play, and has only started happening recently. I running Windows 10 and have the most up to date versions of both my OS and Firefox. YouTube videos work fine in other browsers, but the last thing I want to do is use bloody Chrome.

The YouTube help page says my browser supports everything except MSE and WebM VP9.

Thanks in advance for your assistance!

Asked by axegirl 3 years ago

Answered by jscher2000 3 years ago

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SSL_ERROR_NO_CYPHER_OVERLAP. Unable to bypass because 'Advanced' button not appearing

When trying to access 2 links, that I work with on a daily basis and have done so for the last 2 years, facing the SSL_ERROR_NO_CYPHER_OVERLAP error and not able to acces… (read more)

When trying to access 2 links, that I work with on a daily basis and have done so for the last 2 years, facing the SSL_ERROR_NO_CYPHER_OVERLAP error and not able to access the pages because of Secure Connection Failure.

Have had this issue in the past, but was able to bypass it by clicking on 'Advanced' button in order to add Exception.

Problem is that since 2 days ago, error started coming up but 'Advanced' button is no longer appearing as an option. So, not able to bypass it in order to connect with the pages.

Thx for the help!

Asked by JD-Lemus 2 years ago

Answered by jscher2000 2 years ago

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I can not access google.com and some other https sites but not all.

Yesterday I installed FF 43.0 - 64bit. I did as clean install as I could, uninstalled old version, and deleted from HDD every "mozilla" and "firefox" directory I could fi… (read more)

Yesterday I installed FF 43.0 - 64bit. I did as clean install as I could, uninstalled old version, and deleted from HDD every "mozilla" and "firefox" directory I could find. Since then, I am unable to access next sites (I believe list is not complete): https://www.google.com/ https://www.facebook.com/ https://www.google.com/maps https://www.google.rs/?gws_rd=ssl

Error msg is alwaays the same: "You have asked Firefox to connect securely to www.google.com, but we can't confirm that your connection is secure. Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified. What Should I Do? If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue. This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate. Technical details: www.google.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer)"

Sites that I can normaly access with this FF are: https://support.mozilla.org/en-US/ https://translate.google.com/ https://mail.google.com/

All other browsers can access all sites without problems.

Asked by DrStrangeloveSR 5 years ago

Answered by cor-el 5 years ago

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32 vs 64 bit

I noticed that Foxfire is 32bit, I have a 64 bit system, does this make a difference and if so how do I get a version of Foxfire for 64bit system (Windows 10)

Asked by Linda 5 years ago

Answered by James 5 years ago

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How to solve 413 Request Entity Too Large error message?

Within last week I can't access websites or bookmarks previously used without getting 413 error message. (Windows 10 laptop) Mozilla goes into "not responding" mode afte… (read more)

Within last week I can't access websites or bookmarks previously used without getting 413 error message. (Windows 10 laptop) Mozilla goes into "not responding" mode after error message.

Asked by BrendaMathis 3 years ago

Answered by cor-el 3 years ago

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Youtube videos not playing

Whenever I get on YouTube on Firefox or Google Chrome, the videos won't play. They just sit on the beginning of the video and block the way of the play button. I also can… (read more)

Whenever I get on YouTube on Firefox or Google Chrome, the videos won't play. They just sit on the beginning of the video and block the way of the play button. I also can't play my music on the desktop, I can't open my steam when this happens and if I did and tried to open my steam music player it doesn't play either. apparently nothing can be played on my computer. Is there any fix to this? I've been searching for the answers and I couldn't find one. This has been happening for the past 2 weeks.

Asked by Sizzz 4 years ago

Answered by Sizzz 4 years ago

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Secure Connection Failed, Error code: sec_error_bad_signature

I installed windows 10 today. No when I go to websites such as amazon on google I get an error. 'An error occurred during a connection to www.google.co.uk. Peer's certif… (read more)

I installed windows 10 today. No when I go to websites such as amazon on google I get an error.

'An error occurred during a connection to www.google.co.uk. Peer's certificate has an invalid signature. (Error code: sec_error_bad_signature). The page you are trying to view cannot be shown because the authenticity of the received data could not be verified. Please contact the web site owners to inform them of this problem.'  

So annoying, all was ok until today. Bloody Microsoft! I have re-installed Firefox but that does not cure the problem. Am temporarily using Chrome which does not have the bug, I can buy things from amazon and search in google and use my gmail and youtube accounts. Can anyone help me please? Many thanks.

Asked by lincoln111 5 years ago

Answered by philipp 5 years ago

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How to switch from 64-bit to 32-bit Firefox on Windows 10 Home

I want to uninstall FF 64-bit and install FF 32-bit (because I want to use addons, like ADBlocker Plus, and they won't install - or worse install but not show up - in FF … (read more)

I want to uninstall FF 64-bit and install FF 32-bit (because I want to use addons, like ADBlocker Plus, and they won't install - or worse install but not show up - in FF 64-bit).

1) I go to https://www.mozilla.org, which becomes https://www.mozilla.org/en-GB/ . I click "Firefox" and I am at https://www.mozilla.org/en-GB/firefox/new/ .

2) I click "Firefox for Other Platforms and Languages" and I get a dialog where I click "Windows 32-bit". I get "Firefox Installer.exe".

3) I close and uninstall FF 64-bit from Control Panel.

4) I run that exe and after the install process I do have FF again, but it's still the 64-bit version. It has even remembered my session and bookmarks and I am even still logged in to sites I was logged in to before uninstalling (those for which I had asked to be kept logged in of course).

I tried that same process many times, by downloading FF with FF itself and with other browsers. I have even unistalled a "Mozilla Maintenance Service" I found installed in Control Panel, in case it was it that was forcing the wrong version to be installed, but no.

I also tried to click "Available languages" in the dialog at point 2, clicked on "Download" at row "English (British)" and column "Windows" (NOT the "Windows 64-bit" at its right), that gave me "Firefox Setup 55.0.2.exe", but this installer too produces the same result (I end up with the 64-bit version again).

No error messages ever appear at any point.

I simply can't seem to be able to replace FF 64-bit with FF 32-bit. I really don't understand what I am doing wrong. Any ideas ?

Asked by SantiBailors 3 years ago

Answered by SantiBailors 3 years ago

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How to set a password for opening the browser?

Before updating Firefox to Quantum the password was required to open the browser. No,w when the new version is set, the password is asked only after some seconds after op… (read more)

Before updating Firefox to Quantum the password was required to open the browser. No,w when the new version is set, the password is asked only after some seconds after opening Firefox. How to fix it?

Asked by LeraM 3 years ago

Answered by vesper 3 years ago

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Problems on Firefox for Windows 10

Computer details: Windows 10 Technical Previewer Build 10074 GPU drivers: latest AMD official 14.12 drivers (NOT WINDOWS BETA DRIVERS) Firefox version: 38.0.1 Build ID: 2… (read more)

Computer details: Windows 10 Technical Previewer Build 10074 GPU drivers: latest AMD official 14.12 drivers (NOT WINDOWS BETA DRIVERS) Firefox version: 38.0.1 Build ID: 20150513174244

The problem is the one that can be seen in the screenshot attached. I pointed every place in the Bookmarks toolbar and above where the icons randomly disappear. This is also true for most icons/images in the page. It mostly happens when CTRL+TAB/ALT+TAB into Facebook, but it has also happened in some other websites.

This was happening in same Windows build with previous (I think 38.0.0) Firefox version. Windows was reinstalled and it kept happening. Tried disabling all add-ins and tried launching Firefox on secure mode, nothing has helped at all. Attached troubleshooting information in case this helps.

At this moment, Firefox is UNUSABLE due to constant crashes and visualization glitches, all part of the same issue.

Asked by camilobloooddrunk 5 years ago

Answered by cor-el 5 years ago

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Error : This video file cannot be played.(Error Code: 102630)- only happens on 1 out of 4 PCs,

I have 4 different computers on the home network, and 2 laptops. 3 WIN7 and 3 WIN10- All have the same Firefox version, and all sync'd up. All but one laptop have no prob… (read more)

I have 4 different computers on the home network, and 2 laptops. 3 WIN7 and 3 WIN10- All have the same Firefox version, and all sync'd up. All but one laptop have no problem playing TV Network streams from https://www.vipboxtv.se/. I'm attaching the screen shot. This is a Dell XPS12 laptop with windows 10, the problem only started happening recently, without any changes

Asked by hk2000 1 year ago

Answered by hk2000 1 year ago

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My minimize and maximize buttons are missing in the top right hand corner. The only thing up there is the "X" close button. Please help me get them back.

I use to be able to see the buttons and split my screen but without those I'm unable to do so, It seems as if the computer made it's own changes. Because even when I log … (read more)

I use to be able to see the buttons and split my screen but without those I'm unable to do so, It seems as if the computer made it's own changes. Because even when I log into my laptop it's not the same.

Thank you

Asked by lmb5850 3 years ago

Answered by Happy112 3 years ago

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How can I copy passwords from one firefox to another ?

I am so frustrated. I just built a new PC running Windows 10 pro 64 bit. I installed Firefox as I do on all my PCs. However, it used to be easy to copy all my bookmarks… (read more)

I am so frustrated. I just built a new PC running Windows 10 pro 64 bit. I installed Firefox as I do on all my PCs. However, it used to be easy to copy all my bookmarks and my passwords from one PC to another. Now, I have spent 4 hours plus on trying to get the passwords to copy from one of my PCs to my new one. Absolutely no success, but plenty of frustration. After losing my ability to multi-row my bookmark toolbar, I was unhappy but this makes me sick. I have well over 500 passwords to different websites and now I can't copy them from one PC to another. I have tried your technique of old, but it fails every time. It would be nice if someone there actually thought about the users and the ease of doing things within your program. If you check, I am a supporter. I have financially supported your program and would again. Please write something that is CLEAR, CONCISE and EASY to understand that tells your users how to export paswords, bookmarks, etc from one PC to another. All of my PCs updated to your new browser "Firefox Legacy" and now many of my add-ons don't work. Thank you so very much! I added those programs to make things easier to use, however in someone's wisdom, they thought people didn't need them anymore since we were getting LEGACY. I am frustrated, very frustrated and I normally don't bother writing to programming companies because in general, they don't care. I am hoping that Mozilla does, although right now, it appears they changed so much and users suffer. Pale Moon is what you used to be, friendly, easy to use and you can put whatever add-on you wish. However I can't change to Pale Moon because I can't get my passwords out of your newly created mess. Thank you. Ken Bell

Asked by noiro 3 years ago

Answered by cor-el 3 years ago

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"Your browser is being managed by your organisation.". Suddenly appeared. What does this mean?

I have had issues using a programme on Firefox, which I managed to resolve by using a different browser. However the above message has suddenly appeared on my options pag… (read more)

I have had issues using a programme on Firefox, which I managed to resolve by using a different browser. However the above message has suddenly appeared on my options page. What does it mean, is it dangerous, and can I get rid of it? Many thanks

Asked by Jackie 1 year ago

Answered by McCoy 1 year ago

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Default search engine keeps defaulting to Bing.

I've been scouring the internet for a few days now looking for a solution as to how to permanently remove Bing as my default browser, but none of them have worked. Every … (read more)

I've been scouring the internet for a few days now looking for a solution as to how to permanently remove Bing as my default browser, but none of them have worked. Every time I open Nightly, I go to options, and check to see the default search engine. It's always Bing. So I delete Bing, and change it to Google. Well, when I close the browser, I have a nice surprise waiting for me. Bing.

I've spent almost all day scanning my computer with different anti-virus/malware programs, deleted several viruses (hopefully there aren't any more), and it still happens. I've started Nightly in safe mode with all of the add-ons off, and it still happens. Went to about:config, prefs.js, user.js, and searched for invalidprefs.js (and so on), and nothing worked.

One thing I've noticed, is after having refreshed Nightly (I don't want to go through the whole changing my settings and customization thing again, so no screenshots), the list of browsers had Bing twice. One on top (the one that comes with the browser), and one on bottom (the one that keeps getting added). For this reason, I think it could be malware, or some unwanted program that I, for the life of me, cannot find in file explorer or control panel.

Any help would be appreciated, as this issue is incredibly infuriating, thank you.

Asked by codbl4l 3 years ago

Answered by Shadow110 3 years ago

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Firefox portable

Hi Is Firefox portable from this site secure or can I trust this site? portableapps.com I would like to use it on my usb for online shopping :) regards … (read more)

Hi Is Firefox portable from this site secure or can I trust this site? portableapps.com I would like to use it on my usb for online shopping :) regards

Asked by Gecko 9 months ago

Answered by FredMcD 9 months ago

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disable web notifications

On a forum website, every thread pops up a notice from Firefox asking if I want update notifications. The option "NOT NOW" is the only option and it does not work. I clic… (read more)

On a forum website, every thread pops up a notice from Firefox asking if I want update notifications. The option "NOT NOW" is the only option and it does not work. I click another thread and it pops up again. I want an option of "NOT NOW, NOT EVER". I looked for a way to disable this pop up, so I clicked the link that says Learn More. That link tells me how to turn off Web Push Notifications. None of those options work. The small i icon > control panel does not give me the option to Allow or Block as the website claims. Going into Firefox Options settings, and Remove Site, Remove All Sites are grayed out. There are no sites listed, and no way to add any to a Block List. User comments on the Firefox "Learn More" webpage indicate that this is not a Web Push Notification. So what is it and how do I permanently turn it off. It is very annoying popping up on every thread on the same website, whether I tell it NOT NOW or ignore it.

Asked by lwsugden 4 years ago

Answered by jscher2000 4 years ago

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Task MGR Shows 6 or more Firefox processes Running

Ever since the "upgrade", Firefox slows to a crawl after being open a few minutes. When I check Task Manager I find anywhere up to 10 FF processes running at the same ti… (read more)

Ever since the "upgrade", Firefox slows to a crawl after being open a few minutes. When I check Task Manager I find anywhere up to 10 FF processes running at the same time (1-2 tabs open) and the total memory being used can be up to 2 GB. If I close any of the processes then all of them close at the same time. Even as I write this the program will freeze the page for 15-30 seconds or more then suddenly release. I have to use Flash because many of the pages I need to visit daily still uses it and refuse to find any other way to program. I'd really like FF to work. I'd even be okay with the old problems but I might have to move to Chrome if FF stays this unstable.

Asked by haiweepp 3 years ago

Answered by jscher2000 3 years ago