If you're prompted to update your email address when logging on to the Classmates site, it's likely that we have been unable to reach you at the email address you registered with.
When you go to the login page, please confirm your current email address in order to access your membership. To make sure your account remains active and we're able to contact you, please be sure you are not using any email filters that might block incoming email from us.
If you continue to have trouble, it may help to try clearing your browser's cache and cookies, then try logging in again.