Lumion Failed To Create Dummy D3d9 [upd] 99%

Caution: Backup your registry first (File → Export).

: Version 580.88 of NVIDIA drivers was specifically noted to cause crashes in newer Lumion versions; rolling back to version 577.00 may help if you are on an older Lumion build. Locked Desktop lumion failed to create dummy d3d9

A: High-end cards are still affected. Lumion’s D3D9 dummy creation doesn’t care about raw power. It fails due to driver state conflicts, hybrid GPU switching, or missing runtime libraries. Caution: Backup your registry first (File → Export)