Error 0x80070066

Value: -2147024794 | 0x80070066 | 2147942502

What does it mean ?

ERROR_SEM_IS_SET  
The semaphore is set and cannot be closed.
Value: 102 | 0x0066 | 0b0000000001100110

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

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