A League of Legends developer addressed rumors alleging that the Vanguard anti-cheat system was bricking players' PCs. The rollout of the Vanguard system, developer Riot Games' custom kernel-level anti-cheat software, has been controversial for the game's player base since it was revealed it would be implemented into its massively popular MOBA. Fans' fears only intensified when several users reported encountering problems with Vanguard, with some claiming they could no longer even boot their systems after League of Legends' latest patch.