1. I m not sure about your phone not connecting...you should install the drivers when windows detects the phone as new hardware...or right click on my computer>hardware>add hardware wizard>next and see if the pc detects your phone. If not, then select "yes, I have already connected.." and select your phonw there. Then, select your driver path.
Also, you should remove you battery for a few seconds before you plug the cable in.
Here's the CID list http://www.topsony.com/forum/cmps_index.php?page=cid_es. This also depends on what updates you've made, if any.

2. Try to change the port. Open the program, go to options, and change the port.

3. I don't understand what you're saying here...anyway it's vKp, not vPk