OpenBySeria() returns -15

I’m working on Windows 7 64 bit and FrontPanel 4.2.5

[ATTACH=CONFIG]247[/ATTACH]

XEM3010 is well recognized by FrontPanel.exe

However, in my C program, OpenBySeria() returns -15.

What do I do to solve this problem ? Please help me


xem3010.JPG (25.7 KB)

Are you able to build and run the samples?