Why setting Powershell to set-executionpolicy remotesigned fails

powershellsecurity-policy

Using Win7-32bit and Powershell ISE I tried to run a just saved script (let's say containing a simple cls).
I got the error, that execution of scripts is forbidden with the usual "get-help about_signing" advice.

When using "set-executionpolicy remotesigned" to solve I got a dialogoue to verify whether I'm sure. But if I accept another error comes up: 

acces to registry key "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell\1\ShellIds\Microsoft.PowerShell" denied
    + set-executionpolicy <<<<  remotesigned
        + CategoryInfo          : NotSpecified: (:) [Set-ExecutionPolicy], UnauthorizedAccessException
        + FullyQualifiedErrorId : System.UnauthorizedAccessException,Microsoft.PowerShell.Commands.SetExecutionPolicyCommand

What shall I do, to run saved scripts as user (or automatable as dayly service)?

Best Answer

You need to run powershell as an administrator to set the execution policy.

Once you've set it to remotesigned, you can run powershell as a regular user.

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