Windows 10 will reach EOS (end of support) on October 14, 2025. For more information, see this article.

Search Support

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.

Learn More

Fix error message "Unable to Connect" on YouTube website?

more options

Hi all. Back in December I had the same problem when Firefox upgraded to 43 now after upgrade to 45 it's back. My problem is, and I went though all the steps as before, I must have gotten lucky the last time because it didn't work this time. Could someone please help me fix this error message on YouTube, "Unable to Connect", Firefox can't establish a connection to the server at pubads.g.doubleclick.net? Thanks.

Hi all. Back in December I had the same problem when Firefox upgraded to 43 now after upgrade to 45 it's back. My problem is, and I went though all the steps as before, I must have gotten lucky the last time because it didn't work this time. Could someone please help me fix this error message on YouTube, "Unable to Connect", Firefox can't establish a connection to the server at pubads.g.doubleclick.net? Thanks.

All Replies (6)

more options

There is security software like Avast and Kaspersky and BitDefender and ESET that intercept secure connections and send their own certificate.

http://www.ehow.com/how_11385212_troubleshoot-reset-connection-firefox.html

https://support.mozilla.org/en-US/kb/server-not-found-connection-problem

https://support.mozilla.org/en-US/kb/firefox-cant-load-websites-other-browsers-can

https://support.mozilla.org/en-US/kb/secure-connection-failed-error-message

https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

http://kb.mozillazine.org/Error_loading_websites

This Connection is Untrusted is sometimes caused because the computer system clock is wrong. Check the time / date / time zone settings.

more options

hi Fred, you and worked through this problem before. I have worked through your websites with no luck. What can we try now? I attached a screenshot of the problem.

more options

Your problem is not with youtube (see bottom of your screen), but with an ad site at the top called; ad.doubleclick.net

What is te web address of that screen shot?

more options

It's just YouTube. https://www.youtube.com/. What is ad.doubleclick.net? How do get rid of it?

more options

It's part of the Youtube page.

more options

Yes, whether I use a bookmark or do a clean search for YouTube.