1. Restart your computer, and then press F8 during the initial startup to
start your computer in Safe Mode with a command prompt.
-- For additional information about the Safe mode with a command
prompt, click the following article number to view the article in the
--- 315222 (http://support.microsoft.com/kb/315222/)
A description of the Safe mode boot options in Windows XP
2. Log on to your computer with an administrator account or with an
account that has administrator credentials.
3. Type the following command at a command prompt, and then press ENTER:
4. Follow the instructions that appear on the screen to restore your
computer to an earlier state.