Error 0x80420400

Value: -2143157248 | 0x80420400 | 2151810048

What does it mean ?

EAP_E_SERVER_ROOT_CERT_NOT_FOUND  
The EAPHost could not find a root certificate in the trusted root certificate store for server certificate velidation.
Value: 1024 | 0x0400 | 0b0000010000000000

Where does it come from ?

FACILITY_EAP  
Extensible Authentication Protocol
Value: 66 | 0x042 | 0b01000010

Other Errors for FACILITY_EAP