Even the PortableApps.com platform—the leading authority on portable software—explicitly refuses to support Dreamweaver Portable. A moderator there stated: "It's not legal, it's broken, and we don't support it".
Dreamweaver Portable is a portable version of Adobe Dreamweaver, a popular web development tool. It's a self-contained version of the software that can be run directly from a USB drive or other portable device, without requiring installation on a computer. dreamweaver portable
You can keep your OS clean by running the app directly from an external drive. Even the PortableApps