Just downloaded UltraMFCD off the website and unzipped it into a DCS subfolder. Started up UltraMFCD exe and it complained a bit about bindings, but started up. Started up DCS, selected an A-10C Instant Action scenario, it started loading and then hung loading World objects. Eventually it aborted itself and sent a crash log file to ED.

Any ideas? I'm running Windows 10 on three extended monitors. When I look at the DCS log file in the section where it describes the conditions at the time of the hang, x-plane.exe is in there. Don't know whether that's a red herring, but just reporting.