I see, but that was in my development environment, when I uploaded the files to the server its supposed to have those rights, in fact, I don't know why is asking for that oath if I only entered "uploads" when I created the setup for the extension.
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.