Error 0x80004034

Value: -2147467212 | 0x80004034 | 2147500084

What does it mean ?

CO_E_UNREVOKED_REGISTRATION_ON_APARTMENT_SHUTDOWN  
The caller failed to revoke a per-apartment registration before apartment shutdown.
Value: 16436 | 0x4034 | 0b0100000000110100

Where does it come from ?

FACILITY_NULL  
The default facility code
Value: 0 | 0x000 | 0b00000000

StackOverflow

Other Errors for FACILITY_NULL