The vgk.sys driver is a core part of Vanguard that operates at the kernel level (Ring 0). This gives it deep access to your system to ensure no unauthorized software or hardware (like DMA devices ) is interfering with the game's integrity.
Because it operates so deep within Windows, conflicts with other drivers or hardware can lead to significant issues, most notably the . Vgk Driver
It typically runs in the background from the moment you turn on your PC. The vgk
You cannot play Valorant or League of Legends if the driver is disabled or uninstalled. Vgk Driver