Try the steps below if you haven't already
- Trouble shooting steps and system requirements, particularly clearing the browser and Flash cache:
http://www.wgt.com/forums/t/635.aspx
- Close other programs, browser windows and browser tabs
- Have the wgt.com website open but minimized and not displayed
- Play WGT in the original window size, do not maximize it to full screen
- Turn off Reflections, Flag Animation, Background Loading, Avatar rotations, and WGT Lessons in your Options
You can also try using different browsers to see if the issue is browser specific.
_CHAMPION