Error 0x8024601B

Value: -2145099749 | 0x8024601B | 2149867547

What does it mean ?

WU_E_DM_DOWNLOAD_VOLUME_CONFLICT  
Another caller has requested download to a different volume.
Value: 24603 | 0x601B | 0b0110000000011011

Where does it come from ?

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

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