Error 0x801F001C

Value: -2145452004 | 0x801F001C | 2149515292

What does it mean ?

ERROR_FLT_CONTEXT_ALREADY_LINKED  
The specifiec context is already attached to another object
Value: 28 | 0x001C | 0b0000000000011100

Where does it come from ?

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

StackOverflow

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