error in show result

we have arbic big site and using watu plugin , but alot of vistior ask that result can’t display after exam ,

this exam have over 431078 time and 8000 comments and 20% ask us about result

http://bit.ly/KrCAzO

please i want to fixed this problem with load in out site

http://ww.wp.xz.cn/plugins/watu/