Error 0x801F000C

Value: -2145452020 | 0x801F000C | 2149515276

What does it mean ?

ERROR_FLT_MUST_BE_NONPAGED_POOL  
Non-paged pool must be used for this type of context.
Value: 12 | 0x000C | 0b0000000000001100

Where does it come from ?

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

StackOverflow

Other Errors for FACILITY_USERMODE_FILTER_MANAGER