Yesterday Installed B3 over 1.86 and due to expiry issues was not able to run. This morning installed B4 over B3. Unable to connect. Uninstalled B4 then reinstalled B4. Neither machine will connect. Just gray icon in middle of each. https://synergy-logs.symless.com/2017-09-14/183-2017-09-14T06-29-18.log Logs show that the other computer "actively refused" the connection.  Yes, both firewalls have been turned off and workstations rebooted. Also FWIW, both firewalls had the