Cant upload returns with digital signatures

Agam Bhasin (B.Com (Hons) CA Final) (114 Points)

18 March 2013  

CAN ANYONE PLEASE TELL ME WHICH VERSION OF JAVA IS TO BE USED FOR E FILING IT RETURN FOR AY 2012-13

IT SHOWS CANNOT READ FILE FOR SIGNING ITR4 HOWEVER WHEN I SELECT A DSC FOR REGISTERING IT, IT IS CORRECTLY REGISTERED BUT AT THE TIME OF UPLOADING THE RETURN IT SHOWS THE ABOVE MESSAGE

I AM USING JAVA 7 UPDATE 17, I HAVE ALSO TRIED WITH JAVA 6 UPDATE 35 & JAVA 7 UPDATE 6 BUT IT DID NOT SOLVE MY PROBLEM. PLEASE SUGGEST ME A WAY OUT OF THE PROBLEM IT IS VERY URGENT FOR ME TO FILE MY RETURN BEFORE 31ST MARCH.