Error 0x000D4A42

Value: 870978 | 0x000D4A42 | 870978

What does it mean ?

MF_S_SINK_NOT_FINALIZED  
The sink has not been finalized before shut down. This can cause the sink to generate corrupted content.
Value: 19010 | 0x4A42 | 0b0100101001000010

Where does it come from ?

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

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