Symptoms
When launching Valorant, players encounter a pop-up error with code VAN 1067. The game may close immediately or fail to start. Vanguard may show as not running in the system tray. The error message typically reads: "Vanguard has encountered a problem. Please restart your PC and try again." Sometimes the game will appear to launch but then crash back to desktop.
Root Causes
VAN 1067 is a connection error between the Vanguard anti-cheat service and Riot's authentication servers. Common causes include:
- Vanguard service not running – The vgc service is stopped or disabled.
- Firewall or antivirus blocking – Security software may block Vanguard's network access.
- Corrupted Vanguard installation – Missing or damaged files prevent proper startup.
- Network issues – DNS problems, proxy/VPN interference, or unstable internet.
- Windows services conflict – Other services (e.g., secondary logon) interfere.
- Outdated Vanguard – An older version may not connect to current servers.
Step-by-Step Fix
1. Restart Vanguard Service
- Press Win + R, type
services.msc, press Enter. - Find vgc (Vanguard service).
- Right-click and select Restart. If it's not running, choose Start.
- Set startup type to Automatic (right-click > Properties).
- Launch Valorant again.
2. Run Services as Administrator
- Open Command Prompt as administrator (Win + X > Terminal Admin).
- Type:
net start vgcand press Enter. - If it fails, run:
sc config vgc start= autothennet start vgc. - Close and test Valorant.
3. Check Firewall and Antivirus
- Add exceptions for VALORANT.exe and Vanguard.exe in Windows Defender Firewall.
- Temporarily disable third-party antivirus (re-enable after test).
- If using VPN or proxy, disconnect and try again.
4. Repair Vanguard Installation
- Close Valorant completely.
- Open Add or Remove Programs.
- Find Riot Vanguard, click Uninstall.
- Restart your PC.
- Launch Valorant – it will reinstall Vanguard automatically.
5. Network Troubleshooting
- Flush DNS: Open CMD as admin, type
ipconfig /flushdns. - Reset Winsock:
netsh winsock resetthen restart PC. - Change DNS to Google (8.8.8.8 / 8.8.4.4) in network adapter settings.
6. Check Windows Updates
Ensure Windows is fully updated. Go to Settings > Update & Security > Check for updates. Install all pending updates and restart.
Alternative Fixes
- Clean boot – Disable non-Microsoft services via msconfig to isolate conflicts.
- Reinstall Valorant – If all else fails, uninstall both Valorant and Vanguard, then reinstall from official site.
- Run as administrator – Right-click Valorant shortcut > Properties > Compatibility > Run this program as administrator.
- Disable IPv6 – In network adapter properties, uncheck Internet Protocol Version 6 (TCP/IPv6).
Prevention
- Keep Vanguard and Valorant updated automatically.
- Do not disable Vanguard service – it must run at startup.
- Add Valorant and Vanguard to your antivirus whitelist.
- Avoid using VPNs or proxies while playing.
- Regularly restart your PC to clear temporary issues.
- Maintain a stable internet connection.
Most VAN 1067 errors are resolved by restarting the vgc service or reinstalling Vanguard. If problems persist, contact Riot Games support with your logs.