Like I said : I'm just sharing what I have, but beyond that I have no idea.
It doesn't trigger any warning nor anything that I know of : it just works normally, which from what I remember wasn't the case with ReShade which I could never get to work, the DX version being too old or something I guess. From what I remember, this enb was a special version made to work with P99 from a thread on this forum I remember following back in the day, but it's gone.
EDIT : found the thread, still up acrually :
https://www.project1999.com/forums/s...light=injector