Mine has the same firmware but there is a later release in the Downloads section. TL-PA511KIT_V1_120625 which is a lter release and is supposed to fix some known issues. However, I have downloaded...

Region : UnitedKingdom Model : TL-PA511KIT Hardware Version : V1 Firmware Version : 500A-5-2-5233-02-968-20120209-FINAL-B ISP : Hi, hope someone can help. I am trying to upgrade the firmware on my...

I had the same problem, its the WinPcap software which is the problem. The version supplied on the TP-Link website isnt Windows 8 compatible. Heres how I got around it. Uninstall the TP-Link utility....