Temporarily disable:

If the issue stops, re-enable one by one to find the conflict.

Fast Startup hibernates kernel and drivers, breaking ASUS services.

ASUS provides a dedicated uninstall tool for Armoury Crate that scrubs leftover registry keys.

The Embedded Controller (EC) may be holding a stale lock.

This drains residual charge and resets the EC, often clearing the "busy" state.

Follow these solutions in order – from quickest to most thorough.