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Hi, my PC just upgraded to Firefox 44.0. Now some security / certificate issue is blocking access to Yahoo and even Mozilla websites

  • 1 reply
  • 4 have this problem
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  • Last reply by philipp

jfb55
jfb55
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When I try to connect to yahoo, I get the following message: The owner of www.yahoo.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

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.

When I try to connect to mozilla, I get the following message: The owner of www.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website.

Does anybody have a solution? IE works just fine, btw  ;)

When I try to connect to yahoo, I get the following message: The owner of www.yahoo.com has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. 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. When I try to connect to mozilla, I get the following message: The owner of www.mozilla.org has configured their website improperly. To protect your information from being stolen, Firefox has not connected to this website. Does anybody have a solution? IE works just fine, btw ;)

All Replies (1)

philipp
philipp
  • Moderator
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hi jfb55, please see if How to troubleshoot security error codes on secure websites can help.