I too have the D folder in the root of my C drive. My details: 1) Method: 2 2) Finishing Method: GUIRunOnce 3) Keep the Drivers: OFF 4) Driver Packs: Chipset, Graphics A, LAN, Mass Storage, Sound A 5) Hardware Specifications: Asus P4C800-E Deluxe, on board Intel LAN, Audigy 2 ZS, GeForce 6800 GT, raid 0 on Promise controller and single OS drive on Intel controller. Is this folder safe to remove?