Cforms 11.1 tracking loading error

I m using Cforms Vs 11.1 in WordPress 2.9.1

i put tracking on in it

in earlier it shows the results in tracking page
but now its just loading and loading

no result is showing on tracking page

but when i switch to different browsers, it shows results
like

in Mozilla Firefox : Not Showing Results
in Chrome : Not Showing Results
in Internet Explorer : Showing Results

i donot why it is not showing in chrome or firefox, but its showing in IE

give me some solutions, how to solve this problem

thanks in advance !!