When launching Vantage version 10.1908.0 or later, following message appears and the app cannot start:
This situation happens when other software on the PC installs a certificate to decrpyt HTTPS traffic. This could be due to security software, ad-blocking software, or malware. To further diagnose it, open https://vantage.csw.lenovo.com and check the certificate. If it is NOT issued by DigiCert as shown below, this problem will happen.
Uninstall Vantage 10.x and go back to Vantage 4.x as described in the "Solution" section of this article: