This version of Windows is not supported by WinPcap 4.1.2.

This version of Windows is not supported by WinPcap 4.1.2.

This message pops up while installing TP-Link PowerLine Utility in Windows 8, my model is TL-PA211, a 200Mbps Powerline adapter.

The solution is browse to
http://www.winpcap.org/install/

Install the updated version of WinPcap, 4.1.3 (as of today), then install TP-Link PowerLine Utility from CD. ( PowerLineUtility.msi )