Try unchecking SSL on opening box. Sometimes helps. Don't worry, if we see a problem with your account, we'll let you know.
You have to update TWS. I found this b/c I updated TWS on one computer this morning, thinking that was the problem. It works on that computer now and when I try it on another computer, it doesn't log in. I'm updating the other computer right now. Daytrader85 (Chicago,IL)