Aug 27, 2024 · vgk.sys is a virtual driver associated to the Vanguard anti-cheat software, that is known to cause BSOD's.

Apr 20, 2022 · These affected users have noticed whenever they are trying to play Valorant, Windows is crashing into a Blue Screen of Death issue showing the error code “Vgk.sys“. Don’t worry, this is not a virus/PUP. This is a component of the Vanguard AntiCheat system by Riot, that comes along with the game.

Oct 11, 2024 · If you're experiencing BSOD (bluescreen) crashes that point to a vgk.sys driver AND you're on a 13th or 14th Generation Intel CPU, there are a few steps you can take that should resolve the issue. Update Your BIOS

Apr 26, 2024 · When trying to play or launch Valorant or League of Legends, users frequently experience a Blue Screen of Death with the error ‘vgk.sys‘ failed. The ‘vgk.sys’ file is a driver component of Riot Games’ Vanguard anti-cheat software.

Mar 21, 2022 · After receiving loads of valuable feedback from players, we've added the ability to turn Vanguard off via a System Tray icon. This will allow you to run various programs that may have been flagged by Vanguard as a potential threat. To re-enable Vanguard, you’ll have to restart your computer.

Oct 2, 2024 · Vgk.sys blue screen appears when trying to start the game. It’s associated with the Vanguard security software as well as recent hardware changes, especially CPU. Before trying anything, ensure that your game client and Vanguard software are updated.

I ran windows's driver verifier after getting a BSOD for a misaligned instruction pointer and it pointed straight to vgk.sys. What looks like is happening is prior to unloading itself, the driver doesn't free its pool allocations.

Jul 8, 2023 · Based on the analysis of your minidump files, the blue screens are caused by the Vgk.sys driver associated with the Vanguard anti-cheat engine. It's a known issue unrelated to your Windows installation or device drivers. To fix it, make sure Windows is up to date and reinstall the Vanguard software.

Jun 25, 2024 · Common causes of the BSOD caused by vgk.sys are an outdated version of Bios, an outdated/corrupted Chipset driver, or a corruption of the Vanguard anti-cheat engine. Since you are already using the latest version of Bios, you can use the Intel Driver & Support Assistant from this link to install the latest version of the Chipset driver.

Jan 30, 2025 · While playing Valorant or League of Legends, users often complain about facing a Blue Screen of Death (BSoD) error that points to a vgk.sys driver. It may appear when launching the game and even during gameplay. The vgk.sys is a driver component of Vanguard – an anti-cheat software used by Riot Games, the developer behind both of these games.