hello ranjeet sir..thanx for ur efforts.
I am using optisystem 13 and it can be the possible reason bcz i hv seen many posts where it is mentioned thr is problm in opening files from one version to another version.. i am using 13 vch version are u using urself ?
n btw i had solved the issue i was using BER analyzer frm visualizer librery bt nw m using optical analyzer n i m checking channels which i had to do..bt its ok nw..Thanx anywz