Error 0x80070517

Value: -2147023593 | 0x80070517 | 2147943703

What does it mean ?

ERROR_LOCAL_USER_SESSION_KEY  
No encryption key is available. A well-known encryption key was returned.
Value: 1303 | 0x0517 | 0b0000010100010111

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