Markoz wrote on Apr 4^th, 2018 at 12:46am:

I'm pretty sure I read somewhere, that the Delco CIV-A INS doesn't work in Windows 10. So if your using Windws 10, then that might explain why it isn't working. :(

I have some doubts about that. I'm running Windows 10 and Simufly's CIV-A INS works just fine for me.
_{Excluding those angry moments I get from random INS battery overheats on single-INS aircraft}