Most common trouble and solution
This game absolutely needs .NET framework to be installed. If you don't have it, you can download it from here:
http://www.microsoft.com/downloads/details.aspx?FamilyID=0856EACB-4362-4B0D-8EDD-AAB15C5E04F5&displaylang=en
This is not MTJ Publishing, but I decided to post it here because Kunzite's games share an element with the following simulator:
[url removed]
UPDATE: The initial url broke, but here is a copy:
http://www.ticklingforum.com/showpost.php?p=2153152&postcount=4