Hi, ever been locked by your own computer? Then, you received this message? "The sign-in method you're trying to use isn't allowed". If your answer is Yes, you are on the right track. I am going to tell you the solution. Previously, same as other, I also have been stuck to this problem. I've spent lots of time for searching the right answer. But, this guy have the most complete answer wrote in social.technet.microsoft.com. My...