Fixes
6 min read
•
Updated: March 12, 2026
Vanguard Error VAN 9003: How to Enable TPM 2.0 and UEFI Secure Boot in BIOS
Complete guide for fixing Riot Vanguard VAN 9003 and VAN 1067 on ASUS, MSI, Gigabyte, and ASRock motherboards. Enable fTPM / AMD CPU fTPM and Secure Boot correctly.
Resolving VAN 9003 and VAN 1067 on Windows 11
Riot Games Vanguard kernel anti-cheat mandates hardware-enforced Trusted Platform Module (TPM 2.0) and UEFI Secure Boot on Windows 11 to prevent bootkit tampering.
BIOS Configuration Guide by Motherboard Brand
- ASUS Motherboards: Reboot into BIOS (Del/F2) > Advanced Mode (F7) > Security > TPM Device Selection: Set to Firmware TPM. Go to Boot > Secure Boot: Set OS Type to Windows UEFI mode.
- MSI Motherboards: Settings > Security > Trusted Computing > Security Device Support: Enable. Advanced BIOS > Windows OS Configuration > Secure Boot: Set to Standard.
- Gigabyte / AORUS: Settings > Miscellaneous > AMD CPU fTPM or Intel PTT: Enabled. Boot > Secure Boot: Enabled.
Liam Zhang
Security & Low-Level API Engineer Lab Bench VerifiedAll benchmarks and crash reproductions are conducted in our controlled hardware lab across standardized AMD AM5 and Intel LGA1700 test benches using clean Windows 11 installs.
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