Ember server not working.

I have below on Windows 10: o Ember-cli: 2.4.3 o Node: 6.11.0 o Npm – 5.0.3

I am executing command ember server from admin command prompt and get below error: Livereload failed on http://localhost:49152. It is either in use or you do not have permission.

Then I tried ember serve --port 8080 --live-reload-port 35735 and it is hanging up. Please tell me how to correct this.