PS D:> Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope CurrentUser
PS D:> Import-Module NTFSSecurity
PS D:> Get-ChildItem -Path D:\Downloads -Recurse -Force | Clear-NTFSAccess
PS D:> Get-ExecutionPolicy -Scope CurrentUser RemoteSigned
PS D:> Set-ExecutionPolicy -ExecutionPolicy Undefined -Scope CurrentUser
PS D:> Get-ExecutionPolicy -Scope CurrentUser Undefined