Do you have mySQLi server behaviors installed? Perhaps try reinstalling that one.
If you still have issues, please post a US phone number or Skype contact information here and I'll call to schedule a screen sharing session and help track it down.
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.