I've blocked it now too, doesn't seem to have any effect. In sygate connection details i can see that is trying to make 15 connections which are being blocked to ip addresses 192.168.*.*, 127.0.0.1 and my wan ip.
192.168.*.*, 127.0.0.1 is my PC so thats ok no need to block them.
I might create a rule that allows it to connect to ip's on my network rather than block it altogether.
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