Several users have managed to get the issue resolved entirely by bringing the security level down and reinstalling the website certificate. Security Level is set to High – This can occur when using Internet Explorer or Microsoft Office with the Security Level set to High.The details in the certificate do not match or it’s issuing authority is untrusted – The warning prompt that you’re seeing is essentially the OS attempt to tell you that it has found some discrepancies with the website that is being accessed.The issue is mostly reported to occur with Internet Explorer or with programs that are running scripts that involve IE. The site’s Digital Certificate has expired or revoked – This is quite a common occurrence with old websites that are not being actively maintained.
