This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Etsi tuesta

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Lue lisää

Firefox 3.6.11 YouTube Problem (Upgrade Your Old Browser)?

  • 5 vastausta
  • 247 henkilöllä on sama ongelma
  • 1 näyttö
  • Viimeisin kirjoittaja Helper7677

more options

When I visit YouTube a message popsup telling me this:


- Your browser is no longer supported. - Please upgrade to a modern browser.

Next Screen:


- Hey there, this is not a commercial interruption. You’re using an outdated browser, which YouTube no longer supports. Some features on YouTube may not work.

- Please upgrade to a modern browser. Here are a few options: IE8 - Opera - Safari - Crome - Firefox

And then a green message appears on the right of the video telling:


- You are using an outdated browser, which YouTube no longer supports. Since some features on YouTube may not work, you are viewing a lightweight version of the video page. Go back to the regular page

And It's not letting me to Expand the Video window....


I have the 3.6.11 version... Why is telling me all that stuff???


Thank You!!!

When I visit YouTube a message popsup telling me this: ------------------------------------------------------------------------------- - Your browser is no longer supported. - Please upgrade to a modern browser. Next Screen: ------------------------------------------------------------------------------- - Hey there, this is not a commercial interruption. You’re using an outdated browser, which YouTube no longer supports. Some features on YouTube may not work. - Please upgrade to a modern browser. Here are a few options: IE8 - Opera - Safari - Crome - Firefox And then a green message appears on the right of the video telling: ------------------------------------------------------------------------------- - You are using an outdated browser, which YouTube no longer supports. Since some features on YouTube may not work, you are viewing a lightweight version of the video page. Go back to the regular page And It's not letting me to Expand the Video window.... I have the 3.6.11 version... Why is telling me all that stuff??? Thank You!!!

Kaikki vastaukset (5)

more options

????Firefox 2.0.0.11;MEGAUPLOAD????

On the up right corner!!!!!!!!

NOW WHAT IS THAT.........................................

more options

Well, I believe it may be with your Flash Plug-in. You may go to Tools > Add-ons and see if you can upgrade it.. It will be under extensions. or If needed try upgrading complete flash on your entire computer.. If that does not work REPLY to this post.

more options

Your user-agent indicates that you have/had the MegaUpload Toolbar installed and that can interfere with your system recording the correct version of Firefox. Your user-agent is showing (most likely in error) that Firefox 2.0.0.11 is what you have installed. See:

iliasv82: Your version of Adobe Flash is current. You can check the status of some (not all) of your plugins here: http://www.mozilla.com/en-US/plugincheck/

  1. Finding your version of Firefox (and your user-agent): https://support.mozilla.com/en-US/kb/Finding+your+Firefox+version
    • Note: The user-agent can be found by clicking Help > About Mozilla Firefox; the user-agent will be the last 2-4 lines.
  2. To uninstall a toolbar or other extensions or to troubleshoot extensions and themes, see:
  3. You will also need to reset a preference.
    • Reset general user-agent
      • type about:config in the URL/address bar and press the Enter key
      • if you see the warning, accept it (promise to be careful)
      • Filter = general.useragent
      • items in bold and that indicate user set; right-click that preference and select Reset
      • restart Firefox (File > Restart Firefox)

Muokattu , muokkaaja Helper7677

more options

This one worked just fine!!!! Thank You!!!

You will also need to reset a preference.

   * Reset general user-agent
         o type about:config in the URL/address bar and press the Enter key
         o if you see the warning, accept it (promise to be careful)
         o Filter = general.useragent
         o items in bold and that indicate user set; right-click that preference and select Reset
         o restart Firefox (File > Restart Firefox)
more options

You are welcome.