How to Fix Vanguard Error VAN 57 in League of Legends ✅ (2025 Easy Fix)
1🚨 Getting Vanguard Error VAN 57 while launching League of Legends or Valorant?
This quick guide will help you fix VAN 57 error step-by-step on Windows 10/11.
✅ What Causes VAN 57?
Vanguard Anti-Cheat failed to initialize properly due to:
Secure Boot or TPM being disabled
Conflicts with antivirus/firewall
Corrupted Vanguard service
🔧 Fixes Covered in This Video:
🔁 Restart PC (Important)
VAN 57 often requires a simple reboot after updates
🛡️ Enable Secure Boot & TPM in BIOS
Reboot - Enter BIOS (F2/DEL)
Enable Secure Boot and TPM
Save & Exit
🔄 Reinstall Vanguard
Go to Add/Remove Programs
Uninstall Riot Vanguard
Relaunch League of Legends or Valorant — Vanguard will reinstall automatically
🧰 Run as Administrator
Right-click LeagueClient.exe → Run as Admin
🛑 Disable Antivirus/Firewall Temporarily
Third-party antivirus software may block Vanguard
🔐 Check Windows Services
Press Win + R → Type services.msc
Find vgc → Set to Automatic → Start the service
💡 Works for both League of Legends and Valorant (uses Riot Vanguard system)
🛠️ Still not working? Drop your error in the comments and I’ll help you!
#LeagueOfLegends #VAN57 #VanguardFix #LoLFix #Valorant #RiotGames #PCGaming
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