Error 0xC00D4650

Value: -1072871856 | 0xC00D4650 | 3222095440

What does it mean ?

MF_E_ALREADY_INITIALIZED  
This object has already been initialized and cannot be re-initialized at this time.
Value: 18000 | 0x4650 | 0b0100011001010000

Where does it come from ?

FACILITY_MEDIASERVER  
Windows Media Server
Value: 13 | 0x00D | 0b00001101

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