Are you still on the OEM Windows 10, or 20H2? I have this exact same error after a clean 20H2 install (from USB media) and haven’t been able to fix it, but am not sure if the clean install caused it vs. an in-place update or if this was already an issue out of the box.
Edit: link to my post about the issue. Apparently another member did the exact same without ending up with the error, which makes me wonder if there are differing hardware or firmware revisions out there. LarkBox Pro: Updated but missing drivers (20H2) - MiniPC - CHUWI | Official Forum