PowerShell can be "blocked" in several ways: execution policy, AppLocker, Device Guard, antivirus, or Group Policy. This guide covers each layer. 1. Identify the Type of Block First, determine how PowerShell is blocked.
# List active policies citool -lp Mount-VHD -Path C:\EFI\Microsoft\Boot\SecureBoot.efi -NoDriveLetter Or use: SiPolicy.p7b removal from EFI partition how to unblock powershell
# Sometimes works from cmd: powershell -Version 2 # PowerShell 2 might not be subject to same CLM rules PowerShell can be "blocked" in several ways: execution
Run this to check current state: