Once activated, it should only be checking the webassist site once per month. If you provide ftp information and a URL for the site you are experiencing this problem on I can test it it make sure it isn't improperly activating more than it should.
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.