How to start System Restore by using the Command prompt

Note You must be logged on to Windows with a user account that is a computer administrator to complete these steps. To verify that you are logged on to Windows with a user account that is a computer administrator, visit the following Microsoft Web site:

http://support.microsoft.com/gp/admin

If a new program has made your computer behave unpredictably, and uninstalling the new program did not help, you can try the Windows XP System Restore tool.