Error 0x80070526

Value: -2147023578 | 0x80070526 | 2147943718

What does it mean ?

The specified group already exists.
Value: 1318 | 0x0526 | 0b0000010100100110

Where does it come from ?

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