Account problem

Hello, I have problem with login on my account.. I tried create 2 account.. and If I login on another of my 2 acc, I see this ''All accounts have been deauthorized for your security, as a result your previous password no longer works. Click here to request a new password. If you don't remember your email create a support request here. For your own safety you should change your passwords.'' I change my password 3 times.. I tried all what I can do, and nothing. I don´t now what to do. Can you help me please?