why will my Installscript project not run on 64 bit machine??

[ankithere2004]

I created an empty Installscript project with Installshield 2010 and run my setup.exe on 32 bit machine, it works just fine.

However when I run this setup.exe on 64 bit machine, I get the error, the image is valid but for a machine type other than the current machine.

Why is this error coming? Any idea????

[rrinblue22]

InstallScript project should be working on a 64 bit System as well.
do you see the same on other 64 bit systems?