We’ve made an update to connectCAD 2015 fixing some minor problems reported by you. All the patches currently in the Downloads sections are included.
You can get the update by logging in to our website and downloading it from your order page (My Account / Orders).
To install the update, just back up your old connectCAD and connectCAD_data folders to a safe place, then install the update in the normal way. If you have made customisations to connector / signal types you should replace the connectCAD_data folder with your backup.