What build of Dreamweaver CS3 are you running.
Go to Dreamweaver -> About Dreamweaver
Click Once in the about dialogue box to force it to scroll to the end. Please post back the build number that is displayed here.
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.