'Not able to open Control Center UI on localhost

I am trying to understand confluent kafka and do some hands on with it

Trying to setup on my local machine . I have followed the instructions in this doc : https://docs.confluent.io/platform/current/quickstart/ce-docker-quickstart.html#cp-quickstart-step-1

I am unable to navigate to Control Center at http://localhost:9021 . I am getting

localhost refused to connect.
Try:

Checking the connection
Checking the proxy and the firewall
ERR_CONNECTION_REFUSED

I have disabled system and chrome firewalls , increased docker memory to 8GB and few suggestions on stackoverflow

Could you please help me to resolve this



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