Cookies toolkit is a part of Security Assist 2 so should not be reinstalled.
when you reinstall, install these extensions last in this order:
Css Form Builder 2.0.1
HTML Editor 3.0.2
DataAssist 2.1.0
Ecart 5.0.6
Free Tools.
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.