It looks like you have Digital File pro 2 installed along side Universal Email.
Please send a screen shoot of the extension manager showing the installed extensions and their versions.
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.