Error 0x8024D00D

Value: -2145071091 | 0x8024D00D | 2149896205

What does it mean ?

WU_E_SETUP_ALREADYRUNNING  
Windows Update Agent setup is already running.
Value: 53261 | 0xD00D | 0b1101000000001101

Where does it come from ?

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

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