Error 0x8024601A

Value: -2145099750 | 0x8024601A | 2149867546

What does it mean ?

WU_E_DM_FALLINGBACKTOBITS   
The download will be continued by falling back to BITS to download the content.
Value: 24602 | 0x601A | 0b0110000000011010

Where does it come from ?

FACILITY_WINDOWSUPDATE  
Windows update
Value: 36 | 0x024 | 0b00100100

Other Errors for FACILITY_WINDOWSUPDATE