Error 0x8024800F

Value: -2145091569 | 0x8024800F | 2149875727

What does it mean ?

WU_E_DS_STOREFILELOCKED  
The data store could not be initialized because it was locked by another process.
Value: 32783 | 0x800F | 0b1000000000001111

Where does it come from ?

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

Other Errors for FACILITY_WINDOWSUPDATE