SSDP Discovery (SSDPSRV) is a service in Windows that enables the discovery of Universal Plug and Play (UPnP) devices on your network. While this service can be useful for device discovery and network setup, there may be situations where you want to disable it for security or privacy reasons. You can disable SSDP Discovery using PowerShell easily:
Stop-Service SSDPSRV
Set-Service SSDPSRV -StartupType Disabled