I have done a windows 7 Professional reinstall wiping my hard drives. I have installed FSX, ARMA2 and ARMA3 with McAfee Total Protection.
VorpX is loading with no problem.
System – Windows 7 Professional
Processor – i7-3930K CPU @ 3.20GHz 6 cores.
Graphics – NVidia GeForce GTX 780
RAM 32 GB
C Drive – 250 GB SSD
D Drive – 2 TD HD
E Drive – 500 Gb SSD