Information:
Sometime when loading the webclient for the first time the screen will go white once the cache download reaches 99-100%, theres a very simple fix to this problem which i will go through below.
1) Close all internet browser windows you have open (must close all).
2) Open internet browser again and go back to the webclient page.
3) Wait until it loads, Play and have fun.
Any other problems please post on these forums.