RaceDay Scoring will prompt you to allow communication over different network types - you should always allow both options if you get this prompt:

If needed, you can adjust your choice by following the instructions below. You can also simply uninstall and re-install RaceDay Scoring.

Type in Firewall in the bottom right hand search then click on Windows Defender Firewall with Advanced Security > under Inbound Rules and find anything that has rdgo scoring or rsu connector and make sure that is enabled. If you see something that isn't enabled, double click onto that row and enable it.