1.Go to Control Panel and open Clock, Language, and Region.
2. Now open Date And Time.
3. After opening date and time click on Change Time Zone.
4. And select (UTC +08:00) Beijing, Chongqing, Hong Kong , Urumki.
5. Press OK and now click on Change date and time...
6. Now change the time to 12 September 2012
This worked for many people and it worked for me