title: oracle express sytem Invalid Login Credentials
body: <p>I just installed oracle express, I'm trying to login at database homepage. trying with user sys and system with the password I gave at the installation but I cant log in.</p>
  <blockquote>
  <p>message: Invalid Login Credentials at SQL command line trying to
  connect ora-01017 invalid username/password; logon denied</p>
  </blockquote>
  <p>I don't know how to modify the password or just try to uninstall and reinstall?</p>