Your Game Requires a System Restart to Play VALORANT (2026 FIX)
The Your game requires a system restart to play error in VALORANT indicates that the Riot Vanguard anti-cheat service is not fully initialized or has been blocked. This 2026 FIX guide provides specific steps to resolve this critical system service error.
Problems addressed in this tutorial:
FIXing Your game requires a system restart to play VALORANT error.
Solving Riot Vanguard service initialization failures.
Stopping Windows security or antivirus blocking Vanguard.
Ending corrupted Vanguard or Riot Client files.
Solving pending Windows updates requiring a restart.
First, perform a full system restart. Do not just shut down and turn on your PC; use the Restart option in Windows. This ensures a complete reload of system drivers and services, including Vanguard.
If the error persists, check your system tray for the Vanguard icon (a red shield). If it's missing, Vanguard failed to start. Run the Riot Client as an administrator, then try launching VALORANT again. This often forces Vanguard to reinitialize.
Update Windows to the latest version, as pending updates can block Vanguard. Temporarily disable any security software that might be interfering. As a final step, reinstall Riot Vanguard by navigating to *C:\Program Files\Riot Vanguard*, running *uninstall.exe*, and then restarting your PC. Follow these steps to resolve the system restart error.
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