Websites prove their identity via certificates. %1$S does not trust %2$S because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates.
Le sitos web garanti lor identitate per certificatos. %1$S non fide de %2$S perque su editor de certificato es incognite, le certificato es auto-signate o le servitor non invia le certificato intermedie correcte.