A Better Finder Rename 8.78 Civilization IV MacUpdate Desktop 5.0.8 DVDRemaster Pro 7.0.1 Parallels Desktop 6.0.11994.637263 1Password 3.5.9 Mac DVDRipper Pro 2.1 Divvy 1.2.3 (first 10,000 purchases only - they're at > 5,000 now) Hands Off! 1.1.2 App Tamer 1.0.5 TechTool Pro 5.0.7
Civ IV and TechTools are a seperate download (they're pretty big files but not unmanageable).
I ran into this issue about a month ago with a user when installing a new HP all in one. TrayApp was the first application that tried to install itself on boot followed by WinScan and then PhotoGallery.