Sotware problem discussed here with solution, that worked for me http://forum.tp-link.com/showthread.php?81984-TL-PA6010P-KIT-Windows-10 Uninstall Utility Software and WinPcap software and reinstall....

What solved this problem for me with the TL-PA6010 Kit was to remove the PowerLine Utility program and WinPcap 4.1.3 and reinstalling. Just removing the Utility Program did not work. This has worked...

Having same problem with TL-PA6010 Kit in Windows 10.