failed: Error in connection establishment: net::ERR_CONNECTION_REFUSED

WebSocket connection to ‘ws://127.0.0.1:9651/’ failed: Error in connection establishment: net:: err_connection_destination
Win7 has dotNet3.5 which cannot communicate with WebSocket. Please install dotNet4.0 or above to communicate.
Win10 comes with dotNet version 4.0 or above.


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