I am getting the same results on a new Win7 Pro install , I have installed the newest version from the website, computer is not on a domain yet. Using build 2.00.163
What edition of Secure Lockdown are you using (Standard, Chrome, Multi-app, IE)? Please uninstall Secure Lockdown, then install the most recent download.
This is very odd. The install file may not have propagated to all servers in our web cluster when you downloaded it. It should be available there now. If you continue to see the error, delete the following Windows Registry Key and try again. You will need to re-define the Secure Lockdown settings if you delete this key: