Error 0x80070020

Value: -2147024864 | 0x80070020 | 2147942432

What does it mean ?

ERROR_SHARING_VIOLATION  
The process cannot access the file because it is being used by another process.
Value: 32 | 0x0020 | 0b0000000000100000
E_SHARING_VIOLATION  
The output file is in use.
Value: 32 | 0x0020 | 0b0000000000100000

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

Other Errors for FACILITY_WIN32