That file is checking to see if you had Universal Email, HTML Editor Digital File pro or validation toolkit installed before installing form builder.
Make sure that none of those extensions where installed prior to installing form Builder 2.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.