ARGB header is a USB device. In Device manager shows up as a HID device.
Using OpenRGB software i found HID ID of a header and in Device manager found that HID device with that ID.
I removed that device and rebooted. Next opened AURA creator and went to settings/update tab.
Forced an update and voila AURA found new component called Addressable LED strip. Installed that update and ARGB strip was present in AURA Creator, but only one of them. After another reboot both ARG strips showed up in AURA.
This worked for me at least.
Hope you guys will get same results.