BMS 4.3(latest) crashing

[dull.anomal]

On a Windows 10 dual-monitor extended desktop (4K laptop + 1920x1200 second monitor). GeForce GTX 860M
After trying to fly.

Unhandled exception at 0x00000000044F73C8 in Falcon BMS.exe: 0xC000041D: An unhandled exception was encountered during a user callback.

This is the callstack that Visual Studio debugger displays when I attach to crashed process
Falcon BMS.exe!D3DDevice::SetDisplayMode(const DisplayMode3D & DisplayMode3D) Line 662 C++

Falcon BMS.exe!FalconDisplayConfiguration::EnterMode3D() Line 449 C++
Falcon BMS.exe!FalconMessageHandler(HWND_ * hwnd, unsigned int message, unsigned int64 wParam, int64 lParam) Line 3020 C++
[External Code]
Falcon BMS.exe!FalconDisplayConfiguration::Run() Line 266 C++
Falcon BMS.exe!HandleWinMain(HINSTANCE * hInstance, HINSTANCE * lpCmdLine, char *) Line 956 C++
Falcon BMS.exe!WinMainWrapper(void * pData) Line 1016 C++
Falcon BMS.exe!ThreadUnhandledExceptionWrapper(int (void *) * pFunc, void * pData) Line 1567 C++
Falcon BMS.exe!WinMain(HINSTANCE__ * hInstance, HINSTANCE__ * hPrevInstance, char * lpCmdLine, int nCmdShow) Line 1042 C++

[Darkman]

Please use Search to see if others have similar issues/fixes. There are several threads from people experiencing crashes; most of them running Windows 10.

A couple of things to try (until you supply more information

Try running in windowed mode by adding -window to your Launcher shortcut.
Check you have the latest version of DirectX 9.0c installed.
Check the refresh rate of your laptop screen. If it’s not 60Hz tell us.