Advice required please
You would need to contact the CS Team for assistance. You can read the Stickies above (make sure to open the FAQ one) on submissions and responses.
Good luck.
If she has Firefox and has logged into the Guild Wars 2 website, the password can be viewed inside Firefox.
Tools > Options > Security tab > Saved Passwords
If she has Firefox and has logged into the Guild Wars 2 website, the password can be viewed inside Firefox.
Tools > Options > Security tab > Saved Passwords
I believe she needs her Hotmail account password. Which may be saved in her browser (whatever it may be), but if not, she will need to contact the CS Team for assistance in changing the email account associated with her game account.