Valorant Anti-Cheat Error: How to Fix It

Understanding the Error

Valorant players may encounter errors VAN9001 or VAN9003, indicating a problem with the game's anti-cheat system, Riot Vanguard. This can occur if Secure Boot or TPM 2.0 is disabled in Windows 11.

Solutions

To resolve this error, players should:

1. Enable Secure Boot in BIOS settings.
2. Enable TPM 2.0 in BIOS settings (if available).
3. Restart the computer.
4. If the error persists, try restarting Vanguard by killing its process in Task Manager and launching it again from the Windows menu.

Additional tips:

• Make sure your Windows 11 installation is up to date.
• Check for any pending BIOS updates.
• Disable any antivirus or firewall programs that may be interfering with Vanguard.