Gaming Fix
Vanguard Error VAN 57
Complete Fix Guide for Call of Duty: Vanguard on PC
What Is VAN 57?
VAN 57 is an anti-cheat system error from Ricochet (COD’s anti-cheat). It means the Vanguard kernel-level driver failed to load, or a conflicting driver/software was detected on your system. This is a PC-only error.
Most Common Causes
| Cause | Fix Required |
|---|---|
| Anti-cheat driver not loaded at boot | Restart PC and launch Battle.net as Administrator |
| Conflicting software (VPNs, cheats, trainers) | Close all background apps; disable VPN completely |
| Secure Boot disabled in BIOS | Enable Secure Boot in BIOS/UEFI settings |
| Corrupted game files | Run Scan & Repair in Battle.net launcher |
| Outdated Windows or unsigned drivers | Update Windows 10/11 to the latest build |
Also Read : Error Code 5.6.8.4.7-p9.8
Step-by-Step Fix
Step 1
Restart as Administrator
Right-click the Battle.net launcher โ Run as Administrator. The Ricochet driver requires elevated privileges.
Right-click the Battle.net launcher โ Run as Administrator. The Ricochet driver requires elevated privileges.
Step 2
Scan and Repair Game Files
Battle.net โ COD Vanguard โ Options โ Scan and Repair. Wait for completion before launching.
Battle.net โ COD Vanguard โ Options โ Scan and Repair. Wait for completion before launching.
Step 3
Disable Conflicting Software
Task Manager โ kill any VPNs, RGB software, overlay tools. Discord GPU acceleration can trigger VAN 57.
Task Manager โ kill any VPNs, RGB software, overlay tools. Discord GPU acceleration can trigger VAN 57.
Step 4
Enable Secure Boot in BIOS
Restart โ press DEL/F2 โ Security tab โ Enable Secure Boot โ Save & Exit.
Restart โ press DEL/F2 โ Security tab โ Enable Secure Boot โ Save & Exit.
Step 5
Reinstall Vanguard Anti-Cheat Driver
Uninstall the Vanguard driver via Add/Remove Programs, then reinstall through the game launcher.
Uninstall the Vanguard driver via Add/Remove Programs, then reinstall through the game launcher.
Still Broken After All Steps?
Submit a ticket at support.activision.com with your system specs and DxDiag report. VAN 57 can be caused by a flagged driver that only Activision support can whitelist.