On February 14, 2017 Microsoft will deprecate the SHA-1 certificates that many TLS-secured websites use.  They plan to release an update to the Edge and IE 11 browsers which will display the following when a SHA-1 TLS-secured site is accessed.

cert warning


To fix this issue, update the certs to SHA256 (SHA-2).

For update information a good place to look is GoDaddy. 

Get new third-party certificate: here.

Install the certificate: here.