My friend can't log in
“No plan survives contact with the enemy” – Helmuth von Moltke the Elder
Maybe you better to get a more personalized assistance through Customer Support, just follow the link at the top of this page.
Make sure your friend checks her junk/spam folders, and white-lists all the Guild Wars 2 and ArenaNet addresses. You can read more about it in the Stickies in the Account/Tech Support sub-forum.
Good luck.