Check this Stack overflow thread. For us it was cached SHA1 certificates in the cert chain: https://security.stackexchange.com/questions/109629/deprecation-of-

Check this Stack overflow thread. For us it was cached SHA1 certificates in the cert chain: https://security.stackexchange.com/questions/109629/deprecation-of-sha1-code-signing-certificates-on-windows/113114#113114 https://security.stackexchange.com/questions/109629/deprecat... But yeah, it's a pain..