I am using PSOC creator 3.0(SP2) + cy8ckit-043 with windows 10. In my case KitProg USBUART driver can not installed. I attached the screen shot of device manager.
Please be needfull.
Upgrade Creator to current version which is 4.0 SP1
Update PSoC Programmer to latest version wjich is 3.25.0
Update Kitprog firmware to latest version using Programmer 3.25
This should work for you.