Intune Windows App PowerShell script install fails with error 0x800700C1

SOLVED: Error 0x800700C1 when deploying a PowerShell .ps1 script using a Windows app (Win32) with Intune. 

Intune Error 0x800700C1

Error 0x800700C1 when trying to deploy a PowerShell script .ps1 file using a Windows App (Win32) with Intune

Intune Management Extension log

On the client computer, check the Intune Management Extension log

C:\ProgramData\Microsoft\IntuneManagementExtension\Logs\IntuneManagementExtension.log

The IntuneManagementExtension.log shows the error message for the failed PowerShell script:

[PowerShell] Fail
The file ac758fe0d982.ps1 is not digitally signed. You cannot run this script on the current system. For more information about running scripts and execution policy, see about_Execution_Policies

Fix Intune Error 0x800700C1

This error can be fixed by setting the PowerShell execution policy in the Intune Windows App program settings

Add the following options to the Windows app (Win32) install command

PowerShell -ExecutionPolicy Bypass -WindowStyle Hidden -File install.ps1