*wpupdateuser* user_login in my WordPress database

wpupdateuser does not appear correct. Is it a compromise? Possibly not if you are allowing user registrations. A Google search for wpupdateuser reveals numerous sites where this username appears. Make sure WP and plugins are up to date.

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)