From my machine Windows 10, I connect to remote Linux machine by private like this (in console)
ssh -i d:\Remote\key\privatekey myLogin@some_remote_host
success connect:
Welcome to Ubuntu 16.04.4 LTS (GNU/Linux 4.15.0-1026-gcp
x86_64)
Nice. Now I want by Tramp mode to connect:
C-x C-f
/pscp:mylogin@ip_address:
But I get error: