Hard to reach Registry Hive
Had an instance of needing to reach HKEY_CLASSES_Root with powershell and found it doesn't have an HKCR built in. Ended up finding a post that had a simple solution and wanted to pass it along. For full details see: https://blogs.msdn.microsoft.com/lior/2009/06/18/what-no-hkcr-in-powershell/ Otherwise here is the important bit that I used: New-PSDrive -Name HKCR -PSProvider Registry -Root HKEY_CLASSES_ROOT