not much can be done if you dont have access to the site. If the power store files are still on the server, power store can still be accessed. the only way to make sure power store cannot be accessed on the server is to delete the files
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.