The server's host key is not cached in the registry. You
have no guarantee that the server is the computer you
think it is.
The server's rsa2 key fingerprint is:
ssh-rsa 2048 50:1e:cc:c1:17:04:77:f4:d0:fe:ca:11:0f:f0:0f:0f
If you trust this host, hit Yes