App windows 10 with Ionic3 - net::ERR_CONNECTION_REFUSED

Hi!,I have an Ionic 3 application desktop for windows 10, and in my computer i installed the desktop app that i have a local service too in port 8080. The problem is when I try to conect with the localservice… windows app response is “Status 0 for URL: null”. Just work when the service is in other computer. I have inactive the firewall in windows. Can any one help me please?