Error 0xC00D2AFA

Value: -1072878854 | 0xC00D2AFA | 3222088442

What does it mean ?

NS_E_REBOOT_RECOMMENDED  
Installation was not successful and some file cleanup is not complete. For best results, restart your computer.
Value: 11002 | 0x2AFA | 0b0010101011111010

Where does it come from ?

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

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