In this post, you’ll learn more about the Error ERROR_FLT_INTERNAL_ERROR – 0x801F000A that is returned when working with the COM-based APIs in Win32
Win32 COM Error
ERROR_FLT_INTERNAL_ERROR – 0x801F000A
Win32 COM Error Error Description
The Filter Manager had an internal error from which it cannot recover, therefore the operation has been failed. This is usually the result of a filter returning an invalid value from a pre-operation callback.