Error 0xC00D0FE6

Value: -1072885786 | 0xC00D0FE6 | 3222081510

What does it mean ?

NS_E_WMP_UI_SECONDHANDLER  
The %s event already has a handler, the second handler was ignored.
Value: 4070 | 0x0FE6 | 0b0000111111100110

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER