The driver has been a point of debate within the gaming community due to its intrusive nature:
To understand why the VGK driver is unique, it helps to understand Windows protection rings:
The primary function of the VGK driver is to establish a "trusted" environment. By operating at the kernel level, VGK can monitor all processes running on the computer, identifying and blocking software that attempts to inject code into the Valorant client or manipulate its memory. It essentially acts as a gatekeeper, ensuring that the view of the game world presented to the player is authentic and unaltered. This proactive approach is why Valorant has maintained a relatively cheat-free environment compared to other competitive shooters. By blocking the pathways that cheats use to function—such as direct memory access (DMA) exploits—VGK forces cheat developers to rely on more complex, expensive, and harder-to-maintain methods, significantly lowering the overall volume of cheating. Vgk Driver
is the kernel-mode driver component of Riot Vanguard , the custom anti-cheat software developed by Riot Games for titles like Valorant and League of Legends . What it Does
(often referred to as the VGK Driver) is a kernel-mode driver that serves as the core component of Riot Vanguard , the anti-cheat system for games like League of Legends How It Works Startup Execution The driver has been a point of debate
While VGK Driver is a vital component of your graphics system, it's not immune to issues. Here are some common problems you might encounter:
If the issue persists, the Riot Games team is often aware of specific, broad-based conflicts and may have a patch available. This proactive approach is why Valorant has maintained
– Security features like Memory Integrity (HVCI) and virtualization‑based security (VBS) can interfere with vgk.sys .
If you are a PC gamer, you might have encountered the term (specifically vgk.sys ). This critical system file is the backbone of Riot Games' proprietary anti-cheat system, Vanguard . While it is essential for keeping competitive matches fair in games like Valorant and League of Legends , it is also notorious for causing system instability, blue screens of death (BSOD), and high CPU usage.
For official technical support or detailed security breakdowns, you can visit the Riot Games Support Center.
It verifies that the operating system has not been tampered with to bypass security measures.