title: "port 4200 already in use" error, inspite it is not being used
body: <p>I am starting up with a angular project. While running ng-serve <code>port 4200 already in use</code> error comes up. I have tried all the trivial solutions. <code>netstat</code> does not show up any process running on <code>127.0.0.1:4200</code>. Also tried with <code>--port</code> command to change the default port, unfortunately dint work for any entered ports (tried it thrice with different port numbers). Have visited almost all the answers in here, none helped. Thanks in advance.</p>