error when try to launch faf

Client Version: 2022.2.0
org.springframework.web.reactive.function.client.WebClientRequestException: Host sconosciuto (; nested exception is Host sconosciuto (
at org.springframework.web.reactive.function.client.ExchangeFunctions$DefaultExchangeFunction.lambda$wrapException$9(
Suppressed: The stacktrace has been enhanced by Reactor, refer to additional information below:
Error has been observed at the following site(s):
anyone can help me?

Check that your antivirus and firewall aren't blocking or any other faf domain