Completely disable Windows Defender real-time protection.
If you have other antivirus programs installed, remove them, as they may interfere with the correct launch of the software.
Completely uninstall FACEIT AC, Riot Vanguard, and ACE (AntiCheatExpert) through Control Panel → Add/Remove Programs.
Disable Reputation-based Protection.
Disable Core Isolation.
Disable Secure Boot in BIOS.
Make sure virtualization and Hyper-V are enabled.
Important
The supplied instructions state that virtualization and Hyper-V are required and must be enabled.
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