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The VAN9003 error usually indicates a configuration issue with Secure Boot, TPM, or Windows version. Here's how to address it:
1. Enable Secure Boot: Before doing this, verify whether your system uses Legacy BIOS (MBR) or UEFI mode, as enabling Secure Boot on Legacy BIOS can make your system unbootable. Follow the steps outlined in this support article carefully: Troubleshooting the VAN9001 or VAN9003 Error on Windows 11.
2. Enable TPM: Make sure TPM is enabled in your BIOS. This is usually found under Security settings in the BIOS menu.
3. Update Windows: Ensure your Windows operating system is updated to the latest version.
After making these changes, restart your PC and try launching VALORANT again.
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