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Error with Vimeo source: Player error The player is having trouble. We’ll have it back up and running as soon as possible. This video is either unavailable or not supported in this browser

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Error from finewoodworking.com: Error Code: MEDIA_ERR_SRC_NOT_SUPPORTED Technical details : No compatible source was found for this media. Session ID: 2018-10-04:bc5f8e3bb5df654965dbea25 Player Element ID:myPlayerID

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Running v 60.2.1esr (64-bit) "Mozilla Firefox for Red Hat Enterprise Linux" on Scientific Linux 7.5 (distro from Fermi Labs based on RHEL). All extensions and plugins are disabled (have tried enabled & disabled with same result).

Videos all run great on my Ubuntu 16.04LTS box with Firefox 62.0.3 (64-bit) "Mozilla Firefox for Ubuntu" with the same plugins + "Shockwave Flash (Ask to Activate)."

Frustrating. Anyone have any ideas? TIA Ric

I use firefox 83.0 on Ubuntu 20.04. Browser does not play videos on Twitter, Reddit or Netflix. Youtube plays some videos but some videos show error "your browser does not currently recognize any of the video formats available". I cannot find any viable solution. what should I do?

I installed chrome and it plays all the videos. So there must not be any problem in OS.

I wish to download and install Firefox 52 ESR for a PC with Windows XP. But, I cannot download it on that WinXP PC. I must download it on another PC running Win 10. It should be an .exe (or somethng like that) file, which I can then transfer to the XP PC and run it to install FF 52 ESR.

If I try to download FF on the Win 10 PC, it downloads (I think) the version that is best for Win 10 PC. I do not see any place where I can specify that I want FF 52 ERS, and not the version for Win 10. That is the problem.

Please advise how I can do the above.

Thanks in advance

I would like to activate some of the Firefox functions under program control. - What are the command like parameters that I can use? - Is there an API to access the domain model, or an OLE or ActiveX object, to access the entry fields in html or script-generated entry fields and command buttons? Where can I read more about that?

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

You urge me to:

"Now get the mobile browser that’s got your back"

Could someone kindly explain what this phrase means, if anything (it does not appear in Urban Dictionary nor American Heritage 2006), though I would guess it is a US usage. Many thanks

I have Mac 10.7.5 and I can't get a newer OS and I need to know which version of Firefox I need to download. Their old directory of files is extremely hard to navigate and I don't know which one I need. Please help!

Hi Support!

Where is the bookmark file for Mozilla Firefox for Windows 10? I'd like to make a backup of it.

Thanks so much for your help!

ToSt

Firefox desktop doesn't offer web page "Save as PDF" like the mobile version does, please add it .. I find the mobile version very useful and find the desktop one disappointing when I try saving a page as PDF like I do on my tablet and phone ..

Just recently (I believe on Oct 30) I have been encountering this problem while trying to log into the Rooster Teeth web site. I have tried clearing cookies and cache multiple times to no effect, and the help page suggestion for the workaround of clicking "Or you can add an exception..." doesn't work because that button does not appear on the warning page anymore. I am only getting this warning error when trying to log into ( http://roosterteeth.com/home.php ) and only while trying to log in, it doesn't pop up for anything else on the site or any other site that I've gone to. Any help on fixing this problem would be greatly appreciated.

the problem started with the disappearnce of the send button, when looking for help, found that indeed was missing from the window created for writing a mail, i.e. the whole e-mail tool bar (hope that this is the correct technical term), so the ony helpful comment was the one explaining how to use keyboard combinations - but since there's so many more functions unable to be accessed without the e-mail toolbaar I'd really appreciate to get it back - for that reason, downloaded Thunderbird again, reinstalled it, but this didn't help. As I myself don't know any other way, would like to ask for help! Many thanks in adance! Kind regards, sender

Some of the user names being saved are errors .. so when you key the username box, i get a 'list' of usernames. A couple have the user name + the password because apparently did not see that the tab key did not move the curser and it was just tagged onto the user name. I'd like to be able to delete or reset the user names. All the forum questions deal with password saving, but I don't save any of my passwords and the user names are automatic unless I turn off the 'Remember search and form history'. Any suggestions?

I've received an email account from a company using Office 365 on an Exchange Server. The server is setup for IMAP. I seem to be able send mail from TB (using smtp.office365.com as the outgoing server), but it will not show up in a "Sent Folder" in the Account on TB. Both the sent and received emails are saved on the Office Mailserver, if I look on the web portal or on my iphone's mail app. Even more puzzling, I can't received email on with TB. The inbox is empty, although the emails are being received at the server (showing up on Web portal and iphone). I've got 4-5 email accounts, all running in TB. I'd hate to have to use something else for this MS Office mail. Is there some secret in getting Thunderbird to play well in this environment? The incoming server is auto-discovered by Thunderbird as IMAP SSL/TLS on Port 993, but I'm getting a reject of pswd authentication upon trying to "get messages" in TB.

I get this error message on the same website every day. I click stop it, and the message disappears for 30 seconds then reappears over and over again. The message does not say this webpage; it says a webpage. Unchecking "always block all detected trackers" does not help.

When I am on a shopping website and I try to add something to my wish list or bag I get the javascript:void(0); in the bottom left hand corner of the screen and nothing happens. It doesn't add it to my bag or list. I have tried many things to resolve this but nothing has worked and this only started happening within the last month.

I just updated Firefox and ended up with Quantum. How in the world can I get my previous version back, and get rid of Quantum? I have never been so disappointed in Firefox as I am right now. I never, ever would have clicked update if I knew I would end up with this.