If the network intercepts SSL traffic, the Elgato software sees an "Untrusted Certificate." You must convince the operating system that the certificate is trusted.
Most corporate environments utilize to inspect encrypted traffic. These proxies present their own SSL certificates to the client software. Because Elgato software utilizes strict certificate pinning or lacks native proxy configuration settings, it often rejects the proxy's certificate, causing connection timeouts (Error 407/502) or SSL handshake failures. elgato bypass proxy