Error 0x80EE0027

Value: -2131886041 | 0x80EE0027 | 2163081255

What does it mean ?

RTC_E_CLIENT_ALREADY_SHUT_DOWN  
Client already shut down
Value: 39 | 0x0027 | 0b0000000000100111

Where does it come from ?

FACILITY_RTC_INTERFACE  
RTC - Real-time Communications
Value: 238 | 0x0EE | 0b11101110

Other Errors for FACILITY_RTC_INTERFACE