epcp-prod-e-eprovider.uhc.com uses an invalid security certificate.
The certificate is only valid for epcprod-e.uhc.com
(Error code: ssl_error_bad_cert_domain)

I'm guessing that when you go to a secure site, you get a page giving you a certificate error. Could you expand the Technical Details section of the page and paste the results here for review? For example: https://epcp-prod-e-eprovider.uhc.com/ gives: epcp-prod-e-eprovider.uhc.com uses an invalid security certificate. The certificate is only valid for epcprod-e.uhc.com (Error code: ssl_error_bad_cert_domain) But the more common one is an unknown issuer. Since different errors lead to different suggested fixes, the more information you can provide, the better. Thanks.