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I have Windows 7, and I want to run PowerShell as an administrator. I found it in the Start Menu, right clicked it and selected Run as administrator, but I get the following:

Windows Explorer has stopped working

Even if I I try to open PowerShell > Windows PowerShell Help, I have the same error. I only can start PowerShell as a regular user, but this is useless because I can't run the following command:

Set-ExecutionPolicy RemoteSigned
(ExecutionPolicy : Access to the registry key 'HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\PowerShell\1\ShellIds\Microsoft .PowerShell' is denied.)

Any ideas why I can't start PowerShell with admin rights?

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Just to confirm: You are an administrator on the local computer? – KCotreau Jul 19 '11 at 15:19
Check the event log for details on the crash and post the info. – Argonauts May 3 at 15:35

To be honest I'm not sure what the issue is. What I would suggest trying though is going directly to the PowerShell exe and trying to run that as an administrator:


Failing that, I would run regedit as an administrator and change the registry key manually:

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