Join the AMA (Ask Me Anything) with the Firefox leadership team to celebrate Firefox 20th anniversary and discuss Firefox’s future on Mozilla Connect. Mark your calendar on Thursday, November 14, 18:00 - 20:00 UTC!

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.

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

MSN hotmail is being blocked on our computers. No idea why.

  • 2 replies
  • 2 have this problem
  • 2 views
  • Last reply by TimCambray

more options

Dialog box "This connection is untrusted"

Dialog box "This connection is untrusted"

Chosen solution

Here take a read on this. Let me know if it helped or not. Also, are you using the computer at home or somewhere else? https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

Read this answer in context 👍 0

All Replies (2)

more options

Chosen Solution

Here take a read on this. Let me know if it helped or not. Also, are you using the computer at home or somewhere else? https://support.mozilla.org/en-US/kb/connection-untrusted-error-message

more options

Thanks for your efforts, turns out an update to Bullguard antivirus software was at fault. You need to uncheck Bing in the antivirus, advance, safe browsing dialogue box. Apparently, Bullguard now aware of the conflict and are resolving.