Error 0x4026242F

Value: 1076241455 | 0x4026242F | 1076241455

What does it mean ?

ERROR_GRAPHICS_UNKNOWN_CHILD_STATUS  
Child device presence was not reliably detected.
Value: 9263 | 0x242F | 0b0010010000101111

Where does it come from ?

FACILITY_GRAPHICS  
Graphics drivers
Value: 38 | 0x026 | 0b00100110

Other Errors for FACILITY_GRAPHICS