File C:\Program Files\nodejs\ionic.ps1 cannot be loaded code example

Example 1: File C:\Users\Tariqul\AppData\Roaming\npm\ng.ps1 cannot be loaded because running scripts is disabled on this system.

Set-ExecutionPolicy -ExecutionPolicy Unrestricted

Example 2: The file \AppData\Roaming\npm\yarn.ps1 is not digitally signed.

Remove yarn.ps1 from the directory C:\Users\%username%\AppData\Roaming\npm\ then try clearing the npm cache at C:\Users\%username%\AppData\Roaming\npm-cache\