How do I fix "Vanguard Not Initialized" errors?

This is a common 2026 technical issue. Usually, it requires:
Option 1: Ensuring TPM 2.0 and Secure Boot are enabled in your BIOS.
Option 2: Restarting your PC to ensure the Vanguard service starts.
Option 3: Whitelisting vgc.exe in your Windows Firewall.