i m not able to open facebook's poker application.
i think this may be due to virus from untrusted sites.
please help me....

Have you run a virus scan?

yes i did that...but still there are no results...
i m having kaspersky internet security 2009...
and it updated. is thereany solution for this...

Look here and follow directions: Spyware, Adware, Viruses and HijackThis Logs - D-A-L Computer Help

Start with the "Read This First - IMPORTANT Instructions" link.