Hello, everyone!
This post is about the issue of eNSP devices not working after the Windows 10 update. Please see more details below.

ISSUE DESCRIPTION
This issue affects eNSP 1.2.00.390 with VirtualBox 5.0.16 - 22 running on Windows 10 version 1607 (Anniversary update).
After Windows 10 has been updated to version 1607 (Anniversary update), emulated devices stop working in eNSP.
Sometimes the devices are stuck in the loading process, other times eNSP shows Error 40.
Hope this could help you solve the Error 40.
Thanks!