This floater controls some of the ways that WWMT works in general. Things you set here will be set for the current Windows User's account for all following sessions running WWMT.
Fix: Update to the latest NVidia drivers.
The Max viewport can freeze and become unresponsive with Nitrous in DX 11.
The Wall Worm Material Library Generator originally created DirectX Materials for all materials. But updates to the VMF Exporter changed the way materials are interpretted. Whenever possible, you should not use DirectX Materials.
This rollout displays all of the LOD (Level of Detail) models in your model. Inside this rollout you can select the helpers that control LOD switch distances, vertex count percentages and add/append models to your LOD models.