Error 0xC00D4E24

Value: -1072869852 | 0xC00D4E24 | 3222097444

What does it mean ?

MF_E_VIDEO_DEVICE_LOCKED  
A component is attempting to access a shared device that is already locked by another component.
Value: 20004 | 0x4E24 | 0b0100111000100100

Where does it come from ?

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

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