Help: setup.exe is not a valid Win32 application. Some help please

[tapspaps]

Operating System: Windows XP
Burning Software: err
Anti-virus Software: Norton
DAEMON Tools Version: v3.46

alright, I got Hitman:contracts, mounted the second disc on Daemon, it ran the setup, but when I click install, it says : Insert disc one, so I did that, and then clicked Install.

After about 30 seconds an error appears saying:

setup.exe is not a valid Win32 application

what does this mean and how can I fix it so I can play my game?

some help appreciated

[JariK-Tietomedia]

Operating System:
Burning Software:
Anti-virus Software:
DAEMON Tools Version:

Does the game install fine from your original CDs?