Error 0x80072F01

Value: -2147012863 | 0x80072F01 | 2147954433

What does it mean ?

ERROR_INTERNET_INVALID_PROXY_REQUEST  
The request to the proxy was invalid.
Value: 12033 | 0x2F01 | 0b0010111100000001
WININET_E_INVALID_PROXY_REQUEST  
The proxy request is invalid
Value: 12033 | 0x2F01 | 0b0010111100000001

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