Error 0x80070BC9

Value: -2147021879 | 0x80070BC9 | 2147945417

What does it mean ?

ERROR_FAIL_REBOOT_REQUIRED  
The requested operation failed. A system reboot is required to roll back changes made.
Value: 3017 | 0x0BC9 | 0b0000101111001001

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