Please download this zip file debug and copy its 4 files in your software folder.
(the copy of these 4 files in your original software folder will not affect the normal software)
This is a special executable file (exe/app) with its special library file (dll/dylib), which tries to track a software problem and also an usb problem.
Please run the executable "TheLightingController_Debug" and there is a chance to see a message box when the problem occurs.