"Listening" means that some program is waiting on that port for connections, which means the port is blocked for other porgrams. Behing 'listening' there should be a number, which is the PID (process ID) of the program that is using (listening on) the port. The link i gave also describes how to get the name of the porgram from that number ("How to match the process ID to a program"). Once you know which software is blocking the port, you can decide on a solution: Killing the program once when you want to play FAF Uninstalling the program permanently ...

@the_skipper java.net.BindException: Cannot assign requested address: connect at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:579) at java.base/sun.nio.ch.Net.connect(Net.java:568) at java.base/sun.nio.ch.NioSocketImpl.connect(NioSocketImpl.java:588) at java.base/java.net.SocksSocketImpl.connect(SocksSocketImpl.java:327) at java.base/java.net.Socket.connect(Socket.java:633) at java.base/java.net.Socket.connect(Socket.java:583) at java.base/java.net.Socket.<init>(Socket.java:507) at java.base/java.net.Socket.<init>(Socket.java:287) at com.nbarraille.jjsonrpc.TcpClient.<init>(TcpClient.java:27) at com.faforever.client.fa.relay.ice.IceAdapterImpl.lambda$start$7(IceAdapterImpl.java:211) at java.base/java.lang.Thread.run(Thread.java:833)