Error 0xC00CEF01

Value: -1072894207 | 0xC00CEF01 | 3222073089

What does it mean ?

WR_E_NONWHITESPACE  
XmlLite: writer: specified string is not whitespace
Value: 61185 | 0xEF01 | 0b1110111100000001

Where does it come from ?

FACILITY_INTERNET  
Wininet related (Internet APIs)
Value: 12 | 0x00C | 0b00001100

StackOverflow

Other Errors for FACILITY_INTERNET