Click on the "Stop it now" button. It will ask you to run iTunes Service Stopper, which will stop the service, preventing proper connection establishment.
Connecting iPhone by Wi-Fi
Using Wi-Fi connection you will be able to work only with contacts, but including those stored in clouds, such as iCloud, Google contacts, Exchange server etc. contacts. Using MOBILedit you will be able to fully write to contacts, edit, delete. Learn more...
If you have troubles with connection, continue here: Issues with connection Also follow this link to learn how to manually stop the Apple Mobile Device Service in case the iTunes Service Stopper didnt work.