Ajax True Client in Pega application

Hi,

I have a problen when I use true clien in pega application, It goes to Login page and than next page does not show anything. the whole page is showing dark. The Load runner I am using 11.52 and It always saying IE9 standerd mode. When I click on IE9 standerd mode and deactivate that than i can see the application page is open but there is another popup screen comes and say without IE9 standerd mode true client will not work. I was using IE10 now i just downgrade to IE9 but still have the same problem. how do I make it standerd mode and what should i do to fix the problem. Do I have to write any code for that? Anybody can help me Please

Thanks

Msrahman