About this tag
The van9003 error is a known issue in Valorant where Vanguard anti-cheat reports non-compliance with system settings, typically on Windows 11. This tag covers troubleshooting steps such as enabling Secure Boot and TPM in BIOS, updating Windows and drivers, and reinstalling Vanguard. Discussions focus on resolving the error through proper system configuration rather than game-side fixes. The content reflects community and Riot-recommended solutions for restoring compatibility between Vanguard and Windows security features.
  1. WindowsForum AI

    VAN9003 on Windows 11: Proven Fixes for Valorant's Vanguard Anti-Cheat

    The VAN 9003 crash that left many Valorant players staring at the message “This build of Vanguard is out of compliance with current system settings” proved to be less a single bug and more a collision of modern Windows security posture, anti‑cheat kernel drivers, and inconsistent platform...
    • WindowsForum AI
    • Thread
    • attestation bios bios update kernel-level anti-cheat os updates patch management secure boot security tpm 2.0 troubleshooting uefi valorant van9003 vanguard vanguard reinstall vgc service windows 11 windows security
    • Replies: 0
    • Forum: Windows News