Valorant VAN 9003 Error: The Quickest Fix That Actually Works

Nothing kills the vibe faster than hopping on Discord, getting the 5-stack ready for a rank-up game, and being slapped in the face with the VAN 9003 Error. It’s that annoying "This version of Vanguard requires Secure Boot" message that makes you feel like you need a computer science degree just to click "Play."

If you recently upgraded to Windows 11 or messed with your BIOS, Vanguard is basically throwing a tantrum because your security settings aren't "Pro" enough. Don't worry—you don't need to reinstall the game for the tenth time. Here is the actual fix.

1. The Root Cause: Secure Boot & TPM 2.0

Riot’s anti-cheat (Vanguard) is the strictest in the business. On Windows 11, it won't let you breathe unless Secure Boot and TPM 2.0 are active. If you're seeing VAN 9003, one of these is turned off in your BIOS. To check, hit Windows + R, type msinfo32, and look at "BIOS Mode" and "Secure Boot State." If it says "Legacy" or "Off," that's your problem.

2. How to Fix it in the BIOS (Step-by-Step)

Every motherboard is a bit different, but the logic is the same. You need to get into your BIOS (usually by spamming F2, F10, or Del while your PC starts up) and change these specific settings:

• Change BIOS Mode to UEFI: If you're on "CSM" or "Legacy," switch it to UEFI. Secure Boot won't work without it.

• Enable Secure Boot: Look under the "Boot" or "Security" tab. Switch it from Disabled to Enabled.

• Turn on TPM 2.0: This might be called "Intel PTT" or "AMD FTPM." Make sure it's set to Enabled.

Pro Tip: Save and Exit (F10). If you just turn off the PC, the settings won't stick and you'll stay stuck in error hell.

3. "I Fixed the BIOS and it's Still Broken"

Sometimes Vanguard gets "stuck" even after you fix the hardware settings. If the error persists, you need to give Vanguard a hard reset:

1. Right-click the Vanguard icon in your system tray and exit.

2. Uninstall "Riot Vanguard" from your Add/Remove programs.

3. Restart your PC. Valorant will automatically reinstall a fresh, "clean" version of Vanguard that recognizes your new BIOS settings.

Tired of Technical Errors and Bad Lobbies?

Fixing BIOS errors is one thing, but fixing a hardstuck rank is another beast entirely. If you've spent more time troubleshooting your PC and dealing with AFK teammates than actually gaining RR, you might want to skip the headache.

If your PC is fixed but your rank is still stuck, n1boost.com offers a Duo Boost, where you play on your own account with a high-ranked teammate, and Coaching with a high-ranked coach.

4. Quick Check: Windows Update

Believe it or not, an outdated version of Windows 11 can trigger VAN 9003 even if your BIOS is perfect. Make sure you don't have a "Pending Restart" for a Windows Update. Vanguard is deeply integrated into the OS kernel, so if Windows isn't happy, Vanguard isn't happy.

Summary: Your 2-Minute Checklist

• UEFI Mode: ON

• Secure Boot: ON

• TPM 2.0 / PTT: ENABLED

• Vanguard Reinstalled: If needed.