Error 0x801F0007

Value: -2145452025 | 0x801F0007 | 2149515271

What does it mean ?

ERROR_FLT_NOT_INITIALIZED  
The Filter Manager was not initialized when a filter tried to register. Make sure that the Filter Manager is getting loaded as a driver.
Value: 7 | 0x0007 | 0b0000000000000111

Where does it come from ?

FACILITY_USERMODE_FILTER_MANAGER  
User Mode Filter Manager
Value: 31 | 0x01F | 0b00011111

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