It seems that you're using an outdated browser. Some things may not work as they should (or don't work at all).
We suggest you upgrade newer and better browser like: Chrome, Firefox, Internet Explorer or Opera

Try running the game as Admin.

Make sure you aren't running Chrome, any sort of Nokia suite programs, third-party mouse software i.e. the software that Logitech uses for their mice and keyboards, make sure your antivirus is off.

Please keep in mind that while my response may seem odd at first glance but a lot of this was gleaned either from personal experience or what other forum members have experienced.

If after doing all that I suggested above you are still experiencing issues, please write to our Support department and we'll get you sorted out ASP :D.