Error 0x000D1145

Value: 856389 | 0x000D1145 | 856389

What does it mean ?

NS_S_WMPEFFECT_OPAQUE  
Request to the effects control to change transparency status to opaque.
Value: 4421 | 0x1145 | 0b0001000101000101

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER