https://devzone.nordicsemi.com/f/nordic-q-a/20494/ppk-desktop-application-won-t-startI installed these softwares successfully: python 2.7.13 SEGGER J-Link V5.12g nRF5x-Command-Line-Tools_9_0_0_Installer the PPK software package My PC platform is 64-bit Microsoft Windows. I just could noten-USTelligent Community 13Tue, 14 Nov 2017 10:43:53 GMT