Problems installing the new Ambience application - 'Installer misconfigured'

I've had to reinstall Ambience - (new licensing system). I first deleted the old installation and then downloaded the new install file. When I run it I receive the following error message:

"Sorry an error has occurred

This application cannot be installed because the installer has been misconfigured. Please contact the application author for assistance".

I'm running OSX 10.8.3 on a Macbook Pro. Help please!

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