You only need to be connected to activate initially. It should then continue to run for several months without needing an internet connection again. If that is not the case it could be a bug.
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.