Yes Support, I think that I've managed to create the false alerts by hitting the Return key a few times after the registration.
Lambertw, click in the Alert tab Registration box somewhere below the G-NMID entry. See if you have any "blank" lines in there and delete them so that the cursor is immediately after the registration so it looks like ):
G-NMID|
don't hit return, but click somewhere else on the screen. This should do the trick :-)