K64 USB-cdc in WinXP, win7 works well, but received in the win10 is normal, send data to pc,the PC receiver often lose the data in win10, even if I installed the *.inf demo program (install by not digital signature),, this is why ?
Please make reference from below thread for this issue:
Kinetis USB CDC driver supported on Windows8, Windows10
Hope it is helpful.
Retrieving data ...