His problem I think is that in europe we have the enter key using 2 rows, and in USA it uses 1 row only. So probably he hits what on my keyboard is "ù" when he

His problem I think is that in europe we have the enter key using 2 rows, and in USA it uses 1 row only. So probably he hits what on my keyboard is "ù" when he wants to enter. I own a laptop with a USA keyboard and I dislike that, because no amount of mapping can change the fact that USA layout has 1 key less.