serve : File C:\Users\USER\AppData\Roaming\npm\serve.ps1 cannot be loaded because running scripts is disabled on this system. For more code example
Example 1: AppData\Roaming\npm\react-native.ps1 cannot be loaded because running scripts is disabled on this system. For more information, see about_Execution_Policies at https:/go.microsoft.com/fwlink/?LinkID=135170.
Set-ExecutionPolicy -Scope CurrentUser -ExecutionPolicy Unrestricted
Example 2: File C:\Users\Tariqul\AppData\Roaming\npm\ng.ps1 cannot be loaded because running scripts is disabled on this system.
Set-ExecutionPolicy -ExecutionPolicy Unrestricted