Start System Restore in XP

If you're having problems that prevent you from booting, you can still use the System Restore tool to a previous state, and fix the problem.
Follow on:
- Restart the computer and press and hold F8 during startup to bring up the options menu
Select "Safe mode with a command prompt".

- If you have multiple operating systems installed, select the correct instance of XP
Log on with an administrative account.

- At the command prompt, type %systemroot%\system32\restore\rstrui.exe and press ENTER