1) Disable antivirus, Windows Defender (namely, real-time protection).
2) Remove Faceit and Faceit AC (anti-chaet), (you need to remove it by uninstalling the program if you deleted the folder)
3) Remove anti-cheat-volunteer (if any)
4) Disable Secure Boot in BIOS settings.
5) Install all updates for Windows.
6) Synchronize PC time over the Internet