Error 0x88781151

Value: -2005397167 | 0x88781151 | 2289570129

What does it mean ?

DMUS_E_ALREADY_INITED  
The object has already been initialized.
Value: 4433 | 0x1151 | 0b0001000101010001

Where does it come from ?

FACILITY_DIRECTMUSIC  
Direct Music (part of DirectX) - Audio
Value: 2168 | 0x878 | 0b100001111000

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