High Res Screenshots are capped by the GPU, so can’t push real-time ray-tracing beyond like 3.5k (vs 8-10+k in normal baked scenes).
I went on a whole journey the other day trying to get Ansel to work. Uninstalled my GPU drivers, ended up getting stuck using DCH version drivers (since Windows 10 automatically installed some and locked my Nvidia updates). DCH drivers don’t have Ansel at all. Spent a few hours just to end up back where I started, lol.
Ansel is still a no go in general - not sure what to do aside from wait on Windows / Nvidia / Unreal to cooperate again. Meanwhile - Windows 10 v 1903 also killed my swarm farm with new firewall stuff. I’m currently blaming the disastrous and forced Windows 10 v1903 on everything. It’s been at the root of so many issues for a lot of people.
For now, I switched back to non RTX rendering.