Root Cause
This "Invalid Signature" issue is usually related to Windows not recognizing the DigiCert as an authorized Certificate Authority.
Symptoms
After attempting an installation of the ZVR product on the ZVM machine, the below dialog is seen:
Solution
Workaround
1] Install "GlobalSign Root CA - R1" and "DigiCertAssuredIDRootCA" from the below locations:
https://support.globalsign.com/customer/portal/articles/1426602-globalsign-root-certificates
https://www.digicert.com/digicert-root-certificates.htm
2] Attempt the installation once more.
1] Install "GlobalSign Root CA - R1" and "DigiCertAssuredIDRootCA" from the below locations:
https://support.globalsign.com/customer/portal/articles/1426602-globalsign-root-certificates
https://www.digicert.com/digicert-root-certificates.htm
2] Attempt the installation once more.