ng serve script is not signed code example
Example 1: ng cannot be loaded
run the below command
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
Example 2: The file C:\Users\user\AppData\Roaming\npm\ng.ps1 is not digitally signed. You cannot run this script on the current system. For more information about running scripts and setting execution policy, see about_Execution_Policies at
Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser