: This usually means your Windows installation is on an older MBR partition style. You will need to convert your drive to GPT using the mbr2gpt tool in Windows or reinstall Windows in UEFI mode.
Vanguard’s responsibilities include:
: This often happens if the Secure Boot "Platform Keys" aren't installed. Look for an option in your BIOS that says "Install Default Secure Boot Keys" or "Restore Factory Keys." secure boot valorant