You receive this error because the application is not compatible with Windows Vista platforms. It has been developed to run only on Windows 95, Windows 98 and Windows 2000 computers. In order to solve the issue, I suggest you run the program using the Windows Vista Compatibility Mode. Right-click the launcher, select Properties and navigate to the Compatibility tab. Check Run this program in compatibility mode for box, select a compatible operating system from the drop-down list, click Apply and then OK.