Cascading prompts in Crystal reports is Crashing

Hi Guru's

We are using cascading prompts in crystal reports 2011 . We are using timestamp feild in it and it is crashing when i run through BI lauchn pad and works fine when i use crystal report client tool . Can anybody can suggestion why it is crashing .

I am getting an error which says

"A problem with this page cause Internet  exploerer to crash and reopen" 

Environment

SAP BI 4.0 Sp with Fix pack 11

Crystal Enterprise 2011

IE 9.0.8112

Java 1.7.0_55.

Any help is really appreciated .

Thanks