Updation of digital signature at incometaxindiaefiling

I am unable to update any type of digital certificate in the incometaxindiaefiling website.  The java pop-up is not coming and the option to select the certificate is not coming. In place of it the error is coming. 

I have enabled the java scriptt from the internet option and installed the following java applications:

JAVA (TM) 6 update 34

JAVA (TM) 7 update 9

JAVA (TM) SE Development kit 6 update 34

JAVA FX 2.2.3

I have the Windows 7 Pro Operating System and IE 9 (64 bit).

Kindly Help me Experts.