Well, of course they couldn't help.
However on further examination I discovered that none of the .php files directly under the "store" directory had read permissions.
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.