Windows 10: Valorant Vanguard anti-cheat has encountered an error

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Many Valorant users are reporting an error with their anti-cheat service. While using the application they abruptly saw a black screen with the Vanguard logo and the following error message. VANGUARD ANTI-CHEAT ERROR Vanguard anti-cheat has encountered an error. Please relaunch the client to restore anti-cheat function. In this article, we are going to see […]

This article Valorant Vanguard anti-cheat has encountered an error first appeared on TheWindowsClub.com.

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"Record That" feature on Xbox Game Bar not working for VALORANT.

The problem is with the game itself. Valorant depends on its anti-cheat, "Riot Vanguard". Vanguard blocks many things and the windows game bar happens to be one of them.

 

"Record That" feature on Xbox Game Bar not working for VALORANT.

Here's some infos i found about this problem

Riot is blocking programs in
the name of fighting Valorant cheaters

 

Random BSOD Errors - For a Year

Did these happen immediately at boot or after the system was in a user session?

In 2 of the 3 dumps driver verifier detected an issue with vgk.sys, specifically "62, A driver has forgotten to free its pool allocations prior to unloading." This is otherwise known as a memory leak. Vgk.sys info:

11: kd> lmvm vgk

Browse full module list

start end module name

fffff801`445c0000 fffff801`44ae1000 vgk (no symbols)

Loaded symbol image file: vgk.sys

Image path: \??\C:\Program Files\Riot Vanguard\vgk.sys

Image name: vgk.sys

I have seen this cause more BSODs than I can count. In fact, it's becoming common these days to see all sorts of anti-cheat engines causing crashes in higher-end gaming PCs. These and other anti-cheat drivers are running in especially privileged area of the
Windows kernel. You can read about it here:
https://hothardware.com/news/valorant-dev-riot-...

As for mitigating it from loading, see here:
https://support-valorant.riotgames.com/hc/en-us...