SKYNITE The installer doesn't remove *any* files on installation. It places anything it moves into a "Moved By Installer" folder in the DarkAdapted Folder, and doesn't touch anything it can't move. So the original poster should look for a folder named "Moved By Installer" that contains archives of anything missing.
I'll have a new version up later today that performs additional error checking, but the existing build should be fine for those who install to a subfolder (the default) and not to the Applications folder itself.
(Version 2.3.6)