I have the exact same issue with a ROG KERIS wireless. I realy guess this situation appeared after the Armoury Crate 5.0.11.0 V. If anyone can confirm this bad behaviour with the same AC version, maybe that can help Asus to take note for the next ver...

Hi guys, I have the exact same problem with a ROG Keris wireless, everything is working fine with armoury crate except the device control screen, I get a black screenwhen selecting the device, so the only way I have to change DPI is manually tweaking...