Internet Explorer 7 Beta-2 Registry Diagnostic Tool
 

Verifies that the current user has the permissions required to install Internet Explorer 7 Beta 2. Specifically, this tool checks that the current user can update all registry keys updated during Installation of Internet Explorer 7 Beta 2. If problems are found, the user is informed of the keys with permissions that will cause installation of Internet Explorer 7 Beta 2 to fail.

Download at Source: microsoft.com