you should not have validation toolkit installed with Security Assist 2. If you have validation toolkit installed, you should uninstall both validation toolkit and security assist, then install Security assist 2 again.
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.