Are you getting a Vanguard Error Van 57 when you try launching a Riot game?
You can encounter this error when you try to launch League of Legends or Valorant.
The error happens when Vanguard (Riot’s anti-cheat) encounters an issue during startup or operation.
Editor’s note: I’ve encountered this issue myself (when launching LoL) and managed to fix it by following the steps below.
In this guide, you’ll learn how to fix Vanguard Error: Van 57 (an unexpected error with Vanguard has occurred and the client will now close) in League of Legends or Valorant.
How to Fix Vanguard Error Van 57
Here’s how to fix Vanguard Error Van 57:
- Search for “Control Panel” using Windows Search and open it.
- Select “Uninstall a program” under Programs.
- Search for “Riot Vanguard”, right-click, and select “Uninstall”.
- Launch Riot Games and navigate to the game you want to play (e.g., League of Legends, Valorant).
- Select “Update” to reinstall Riot Vanguard.
- Restart you computer and launch the game you want to play (e.g., League of Legends, Valorant)!
Further reading
How to Fix “Your game requires a system restart to play” in Valorant
How to Fix “This build of Vanguard requires TPM 2.0” in Valorant
