File xxx.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see get-help about_signing

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PS C:\Temp>.\myPS.ps1

C:\Temp\myPS.ps1 檔案無法載入，因為這個系統上已停用指令碼執行。如需詳細資訊，請參閱 "get-help about_signing"。
位於 行:x 字元:xx
+ .\myPS.ps1 <<<<
+ CategoryInfo          : NotSpecified: (:) [], PSSecurityException
+ FullyQualifiedErrorId : RuntimeException

File C:\Temp\myPS.ps1 cannot be loaded because the execution of scripts is disabled on this system. Please see "get-help about_signing" for more details.

Resolution:

 PS C:\Users\Administrator>Set-ExecutionPolicy RemoteSigned

Using the Set-ExecutionPolicy Cmdlet
https://technet.microsoft.com/en-us/library/ee176961.aspx

  • Restricted - No scripts can be run. Windows PowerShell can be used only in interactive mode.
  • AllSigned - Only scripts signed by a trusted publisher can be run.
  • RemoteSigned - Downloaded scripts must be signed by a trusted publisher before they can be run.
  • Unrestricted - No restrictions; all Windows PowerShell scripts can be run.

Set-ExecutionPolicy
https://technet.microsoft.com/en-us/library/hh849812.aspx