Http 404: not found the origin server

I keep getting http status 404-not found the origin server did not find a current representation for the target resource or is not willing to disclose that one exists after my shutting down or restarting my computer. I checked the firewall and that tomcat is using port 8080. Any suggestions?

Can you change the server port from 8080 to 8081 and try again?

Now i’m getting

I did the openmrs-sdk install. We selected the distribution but the above image shows platform…does that make a difference?

Can you try Reference Application through OpenMRS SDK? Or you need to manually install the UI modules to your platform server as it mentioned in the link there.