There is a difference... here is the powercms version you can try. If you still have issues if you give me the URL and FTP access I'll debug it and get it working for you.
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.