Not suitable password (Warcraft 3: Reign of Chaos)

signed up on the website playground.ru. Downloaded patch archive with the files and the registry file. All set. Became Warcraft, drove your nickname and password (which are provided during registration on playground.ru), but the password does not match. Made even a request to change the password via Warcraft, putting your email. But the email about the password change not. In the game according to the existing password also can not log in. Help plz what do I do wrong?