Error 0xC00D126B

Value: -1072885141 | 0xC00D126B | 3222082155

What does it mean ?

NS_E_BKGDOWNLOAD_INVALID_FILE_NAME  
Windows Media Player cannot get the file name of the requested download. The requested download will be canceled.
Value: 4715 | 0x126B | 0b0001001001101011

Where does it come from ?

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

Other Errors for FACILITY_MEDIASERVER