Please download the new SSL certificates and installer package (SSCertinstall.zip) to fix the issue:
communities.bentley.com/.../SSCertInstall.zip.aspx
For additional information on the “Deployed SELECTServer issue with the new Bentley SSL certificate”, please see the article on the Wiki site:
communities.bentley.com/.../deployed-selectserver-issue-with-new-bentley-ssl-certificate.aspx