My next system will be zero RGB. No more ASUS or Armoury Crate. The fact that Windows reinstallation is part of the uninstall process (when their separate uninstaller fails to remove the software) for Armoury Crate shows how bad the software actual...
Odd, in the top right side of my BIOS window, there is an Aura On/OFF that I can use to disable Aura completely. F4 is the shortcut to the feature. There may be differences in BIOS capabilities.
Aura will be uninstalled, but the BIOS can still have...
Can you get into the BIOS: https://rog.asus.com/support/faq/1008829
Once in there, do you see "Aura ON OFF", click that and select OFF. Save settings (F10) and reboot.
I have given up on Asus fan control. I prefer a smarter fan control software. https://getfancontrol.com/
JayzTwoCents has a video on some of the usage: https://www.youtube.com/watch?v=uDPKVKBMQU8