Error 0x800703EF

Value: -2147023889 | 0x800703EF | 2147943407

What does it mean ?

ERROR_FULLSCREEN_MODE  
The requested operation cannot be performed in full-screen mode.
Value: 1007 | 0x03EF | 0b0000001111101111

Where does it come from ?

FACILITY_WIN32  
Provides a way to handle error codes from functions in the Win32 API as an HRESULT. (Error codes in 16 - bit OLE that duplicated Win32 error codes have also been changed to FACILITY_WIN32)
Value: 7 | 0x007 | 0b00000111

StackOverflow

Other Errors for FACILITY_WIN32