Error 0x801881C4

Value: -2145877564 | 0x801881C4 | 2149089732

What does it mean ?

DUA_E_UPDATE_ALREADY_IN_EVALUATION  
An update is being updated while asking for evaluation.
Value: 33220 | 0x81C4 | 0b1000000111000100

Where does it come from ?

FACILITY_WINDOWS_CE  
Windows CE
Value: 24 | 0x018 | 0b00011000

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