Just followed what was said here: viewtopic.php?t=3797#p21247
Installed Oracle JDK and it is working now.

1. javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert.CertPathValidatorException: signature check failed This error message indicates a generic SSL network issue on your machine. Probably nothing you can do about. Maybe it ...

Hello, I tried to activate my license today but I got these error messages: Activate License P*** Fetch failed: Try again in 5 seconds (2 more) => javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path validation failed: java.security.cert ...