Scan your WordPress code to turn off SSL Check, if you are behind a Firewall that re-writes the certs.
Searching for: sslverify
wp-includes\class-http.php(230): 'sslverify' => true

Technical notes, and other ideas.
Scan your WordPress code to turn off SSL Check, if you are behind a Firewall that re-writes the certs.
Searching for: sslverify
wp-includes\class-http.php(230): 'sslverify' => true