Visual studio run every time in new window

 Steps- 1

        1. Go to Tools >> Options

        2. Tap on Project and Solutions

        3. Tap on Web Project

        Uncheck 'Stop debugger when browser window is closed, close browser when debugging stop'

    

 Steps- 2

         1. Go to Tools >> Options

        2. Tap on Debugging

        3. Tap on General

            Uncheck "Enable JavaScript debugging for Asp.Net (Chrome and IE).'