After you install XP the system administrator account can not login??

Users questions:Yesterday, reinstall system, most began to restart two times it can be an administrator login, and later had never shutdown, shut down today, to open after the landing page can not find the administrator's account, but also in the control panel, nor was there , and how it's going on there are procedures for
Experts answer: damage, use System Restore to restore to a previous failedOf time can be a problem!
  • This information provided by the users.Thanks!