A Windows profile is the desktop environment configured for a particular user. It contains various settings such as desktop colors, backgrounds, icon placement, and Windows Explorer settings. The default profile is a template profile that is used when a user logs on to a Windows computer for the first time. The default profile can be customized by the image creator.
You may want to open IE to get through the runonce page, and make sure phishing filter is on. Its also a good idea to make sure to open the applications installed in the image in case they have click through agreements.
You can then create another account and log in using it to make sure your
profile settings take affect for new users. Be sure to delete it once you're
done testing.