Late again to the party again, that'll teach me to wander away from the forums for a little bit.

Try reading through this thread: http://www.picbasic.co.uk/forum/showthread.php?t=13612&p=92725#post92725

The final final answer was to put everything into for the new U2 into the folder in which the old U2 files had been placed. Not a problem since, includeing when upgrading to the latest and greatest from MEL.

Hope this might help a little.

Best Regards,
Paul