Ionic start error. getaddressInfo EAI_AGAIN


The screenshot represents the error that is occuring.

I have installed node, Cordova and ionic in my windows desktop. The system is connected to the company network with necessary firewalls. I have set the proxy configuration as suggested. but again the error is coming.

The error:

 getaddrinfo EAI_AGAIN
 at object._errnoException <util.js:992:11>
 at errnoException <dns.js:55:15>
 at GetAddressInfoReqWrap.onlookup [as oncomplete] <dns.js:99:26>

Please help