yea,
   i think i know what the problem is as my m8 had something simmilar to this,somehow the site has been banned on your IP Address,it does not man you have been banned,just some of your internet settings have not allowed this site to work propley.You need to get a link off someone else and click it,not through the internet the link for checkers(which i belive you wanted to play) is 

http://www.flyordie.com/checkers/game.html

 just click that and login.
Hope this helps.