I found a way to report the BUG , I invite all of you to try it and give me feedback.

http://alerts.msn.com/Alerts/SelectSettings.aspx?rdr=1&ppsignin=1&cpid=42098&cpa=a4ab86a4b893e4a2defdc890c47dc8fd&signup=3&rtn=http%3a%2f%2flab.msdn.microsoft.com%2fProductFeedback


Thank you all for your support and opinions