This program for the NightScape camera was tested on Windows 7 64 bit machines during product development. There were no issues. It's probably an issue with your specific computer.
Try uninstalling and reinstalling the program. Try installing on a different computer. Try running it in as administrator in Windows XP Service Pack 3 compatibility mode.
What color is the artwork of your CD? You should have one with primarily black artwork. If the artwork is primarily orange, you may had a bad version of the software. You can download a good version of the program here: