X-CTU error

When I try to read/Write an XBee series 2 configuration I got the following error:

Lost communication with modem
Time out reading AT command. Stopping read parameters.
Read parameters…Failed.

This is happening more often I upgraded from Vs. 1.x.3.x to 1.x.4.x.

My X-CTU version is

Where did this ZNet 2.5 radio come from? Which type of profile is on it currently and which firmware are you trying to write to it?

I purchased the module to my local distributor here in Italy. I do not wnat to upload firmware vs. 1.x.4.x is fine I only need to set some parameters.

In the attached file there is my configuration