lyra

please some one can help me ? i tried to instalforge 1.19.3 and at the midle of the dowload is always the same error i been 3 days trying to fix it but i couldn't . this is the error that shows up: Failed to run processor: javax.net.ssl.SSLHandshakeException:sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to recuested target See log for more details.