Same here. It appears to update (after restoring from backup), but if I do check for updates, it shows some older version and tries again.
And the diagnostic results don;t agree with the GUI as can be seen below.
Fix it Asus.

Item Version
---- -------
Armoury Crate UWP App 4.0.8.0
ROG Live Service 1.2.5.0
AURA Service (Lighting Service) 3.04.35
Armoury Crate lite service 4.0.12
ASUS AIOFan HAL 1.1.26
ASUS AURA Extension Card HAL 1.0.24
ASUS AURA Motherboard HAL 1.1.4.0
ASUS Aac_NBDT HAL 2.2.17.0
AacVGA 0.0.3.1
KingstonDram 1.0.28
AURA DRAM Component 1.1.06
ENE RGB HAL 1.1.28.0
PHISON HAL 1.0.6.0
Universal Holtek RGB DRAM 1.0.0.1
WD_BLACK AN1500 1.0.12.0
ROG Hero XIII | 10900k @5.2 GHz | g.skill 2x32GB 4200 CL18 | ROG Strix 2070S | EK Nucleus 360 Dark | 6TB SSD/nvme, 16TB external HDD | 2x 1440p | Vanatoo speakers with Klipsch sub | Fractal Meshify 2 case