starter problems in connection with sinamics s110

dear all,

hello,

I am member in this forum for some months. please help me in this new problem that I face now:

my system is sinamics s110 with CU 305 DP. I want to connect it with my pc via cable RS232 (Null cable). it is  mentioned that before I installed the starter and get the communication between s110 and my pc via starter but due to some pc problems I had to un install the starter and again install it. when I want to proceed the process which I did in the last time, I have the problem in order to get the connection via starter!! ( no accessible nods found)!!

I installed the starter from siemens website ( three zip folders with help).also I installed the zip folder related to ssp data for s110 CU305  version 4.4.3 from siemens website.  Now I have the problem of not finding the accessible nods to get the connection with my system. in the attachment you can see the progress that I did.

Please help me in order to solve this problem.

Best regards