Windows PowerShell’s execution policy is well known feature that helps prevent users from accidentally running malicious scripts. I hit an interesting situation recently where Get-ExecutionPolicy showed that I was allowed to run scripts, but in practice I still couldn’t execute scripts from a .NET application’s hosted runspace. What was the problem? The execution policy settings differed across x64 and x86 processes. Since this problem isn’t covered in the official documentation I figured it deserved a quick write-up.

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