Welcome to Bleeping Computer.
In order to restore your computer, we will need the XP Installation CD to boot the computer to the Recovery Console.
Boot the computer using the XP CD. You may need to change the boot order in the system BIOS so the CD boots before the hard drive. Check your system documentation for steps to access the BIOS and change the boot order.
At boot, you will be prompted with the following options:
A. To setup Windows XP, press Enter.
B. To repair Windows XP installation using recovery console, press R.
Choose the option, "To repair the Windows XP installation using recovery console", press R. If an Administrator Password have been established, you will be prompted to type it in. If no Administrator Password exists, just press ENTER.
You will be presented with the following:
Microsoft Windows® Recovery Console
The Recovery Console provides system repair and recovery functionality.
Type EXIT to quit the Recovery Console and restart the computer.
Which Windows Installation would you like to log onto
(To cancel, press ENTER)?
Press the number 1 on your keyboard and hit Enter.
At the command prompt, type the following command and press Enter:cd erdnt\hiv-backup
At the next prompt, type the following bolded text, and press Enter:batch erdnt.con
The erunt backups will begin copying.
when finished, and then press ENTER to quit Recovery Console. Remove the CD and let the computer start.
Let us know how it goes.