My friend can't get into his account
ArenaNet Communications Manager
Please ask him to contact Support by filing a ticket through the “Ask a Question” tab on that linked page. They should be able to assist him.
They will need information to establish that the account belongs to him. For tips on what information to provide in a ticket — mostly intended for security reasons to establish that you own the account — please read this post and provide as many suggested details as possible to expedite the ticket.
Gaile Gray
Communications Manager
Guild & Fansite Relations; In-Game Events
ArenaNet
Communications Manager
Guild & Fansite Relations; In-Game Events
ArenaNet