I don't think so... but I guess it is possible. Try fully removing and reinstalling the extension. That is my best guess. I forward this to someone at the office with your OS to see if they can reproduce it.
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.