Ionic angular

Hey there !
Please help me
I am getting blank white page after entering command ionic serve

What about the JavaScript Console? Any Error Logs?

SCRIPT7002: XMLHttpRequest: Network Error 0x80700013, http://download.microsoft.com/download/B/9/F/B9FF9327-7A72-4165-BF91-9B7EEB6C579B/DeviceList.json

I think your http url entered wrong
check below solution link, might help you