https://social.technet.microsoft.com/Forums/windows/en-US/5ddd45eb-a613-4124-a28d-0170f96910e0/how-can-i-change-from-constrainedlanguage-to-fulllanguage-?forum=winserverpowershell
https://devblogs.microsoft.com/powershell/powershell-constrained-language-mode/
Cannot create type. Only core types are supported in this language mode.
$ExecutionContext.SessionState.LanguageMode
$Env:__PSLockdownPolicy
Remove-Item Env:__PSLockdownPolicy
$Env:__PSLockdownPolicy
$ExecutionContext.SessionState.LanguageMode
setx /m __PSLockDownPolicy 4
등록
setx /m __PSLockDownPolicy 0
해제 리부팅