Thanks for those suggestions. When installing the IDE it pompts to confirm adding the user to the dialout group. There is no UUCP group:
geoff@geoff-laptop:~$ groups
geoff adm lp dialout cdrom sudo dip plugdev lpadmin sambashare uinput
geoff@geoff-laptop:~$ useradd -G {UUCP} geoff
useradd: group '{UUCP}' does not exist
geoff@geoff-laptop:~$
Futher clues are that when I plug the Micro into the USB port the blue light comes on and the green light flashes. I tried pressing the reset button during upload but it still failed with the same error message. Any further suggestions would be much appreciated.
Regards
Geoff