Valorant Error Code 128: How to Fix It

Easy 5-10 minutes Medium Severity Verified June 2026
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Error Code
Error 128
Brand
Valorant
Product Type
game
Severity
Medium
DIY Difficulty
Easy
Estimated Fix Time
5-10 minutes
Valorant Error Code 128 occurs when Riot Vanguard anti-cheat system requires a system restart to function properly. This error prevents you from launching Valorant until the restart is completed. While frustrating, this is typically a quick fix that ensures your system is clean and secure for gameplay.
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How to Fix Error Code Error 128

  1. Save Your Work and Close All Programs

    Make sure to save all unsaved work as the restart will close everything

  2. Perform a Complete System Restart

  3. Wait for Windows to Load Completely

  4. Launch Valorant and Test

  5. If Error Persists - Check Vanguard Service

  6. Alternative - Reinstall Riot Vanguard

    Only uninstall Vanguard if previous steps failed, as this will require a larger download
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When to Call a Professional

Contact Riot Support if Error 128 persists after multiple restarts and Vanguard reinstallation, as this may indicate deeper system compatibility issues or corrupted Windows files that require advanced troubleshooting.

Frequently Asked Questions

Why does Valorant Error 128 keep happening?
Error 128 typically occurs when Vanguard detects system changes, Windows updates, or when the anti-cheat service hasn't started properly. Regular restarts usually prevent this issue.
Can I play Valorant without restarting my computer?
No, when Error 128 appears, a full system restart is required. Vanguard needs to initialize at boot time to ensure system integrity for fair gameplay.
Will I lose my Valorant settings after fixing Error 128?
No, restarting your computer or reinstalling Vanguard will not affect your Valorant game settings, progress, or account data. These are stored separately on Riot's servers.
How often should I restart my computer to prevent Error 128?
Restarting your computer every few days or after Windows updates typically prevents Error 128. Many users find that daily restarts eliminate this error entirely.
Is Valorant Error 128 the same as VAL 128?
Yes, Error 128 and VAL 128 refer to the same issue - Vanguard requiring a system restart. Both error codes have identical solutions and indicate the same underlying problem.

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