Riot Games Comments on Vanguard Bricking PCs Rumors

Riot Games has dismissed widespread claims that its Vanguard anti-cheat software permanently damages PCs, following a May 19 update that reportedly disabled DMA devices using SATA or NVMe firmware. Players reported instability warnings and a 'red screen of death,' while social media spread images of allegedly bricked systems. Riot initially fueled speculation with a joke about cheating hardware becoming 'a brand new $6k paperweight,' but later clarified that Vanguard does not harm hardware. The company stated in a Twitter post that Vanguard enforces standard security protections, such as IOMMU, only on accounts detected using DMA-based cheats. These measures prevent unauthorized memory access by cheat devices but do not permanently disable PCs or components. Riot emphasized that disabling IOMMU would restore normal functionality for DMA devices outside its games, though IOMMU protection remains required to launch Valorant. A second FAQ-style post reiterated that no hardware damage occurs and no other functionalities are impacted. The update specifically targets DMA-based cheating hardware, which directly accesses system memory to bypass traditional anti-cheat systems. Normal players should not experience hardware-related issues, according to Riot. This incident follows similar claims in 2024, when users alleged Vanguard updates caused PC failures, though Riot could not verify those reports at the time. The controversy highlights broader concerns about kernel-level anti-cheat software, privacy implications, and the extent to which developers interact with player hardware to combat cheating. Riot maintains that Vanguard is one of the gaming industry’s most advanced anti-cheat systems, designed to counter increasingly sophisticated cheating methods. While players generally support strong anti-cheat measures, the situation has reignited debates about potential overreach and unintended consequences for legitimate users.