Users could revert the core functionality of their systems to a previous state through the System Restore functionality, effectively recovering it to a previous state. This proved to be a useful functionality, particularly when a user installed something (application, driver, etc.) that failed to work properly, or the system became infected with malware of some kind. Windows XP System Restore Point functionality.Īs illustrated in Figure 3.1, users can not only create Restore Points, but they can also restore the computer to an earlier time.