If Vanguard error VAN 57 appears when you try to launch VALORANT or League of Legends, the problem is usually much smaller than it looks. Vanguard has failed to ...

TL;DR: Riot's Vanguard anti-cheat now offers an On-Demand mode that runs only when launching Riot games, requiring Windows 11 25H2, Secure Boot, TPM 2.0, and other ...