Can't link gw account
Your best bet is to contact support and discuss the issue.
support.guildwars2.com
They should be able to help you with this. Good luck. =)
ArenaNet Communications Manager
I really encourage you to contact Support by filing a ticket through the “Ask a Question” tab on that linked page. They will be able to assist you. For tips on what information to provide in a ticket, please read this post and provide as much as possible to expedite the ticket.
If you find you still need help after three days, feel free to post in the Tickets for Review thread, which is at the top of this Account Support sub-forum.
Gaile Gray
Communications Manager
Guild & Fansite Relations; In-Game Events
ArenaNet
Communications Manager
Guild & Fansite Relations; In-Game Events
ArenaNet