The best way to manage this and fix other errors that may be unnoticed as
yet, is to Perform a Repair Install by following the step by step below.
Bott from the XP installation CD.
When you see the "Welcome To Setup" screen, you will see the options below
This portion of the Setup program prepares Microsoft
Windows XP to run on your computer:
To setup Windows XP now, press ENTER.
To repair a Windows XP installation using Recovery Console, press R.
To quit Setup without installing Windows XP, press F3.
Press Enter to start the Windows Setup.
Accept the License Agreement and Windows will search for existing Windows
installations.
Select the XP installation you want to repair from the list and press R to
start the repair.
Setup will copy the necessary files to the hard drive and reboot. Do not
press any key to boot from CD when the message appears. Setup will continue
as if it were doing a clean install, but your applications and settings will
remain intact.
Blaster worm warning: Do not immediately activate over the internet when
asked, enable the XP firewall before connecting to the internet. You can
activate after the firewall is enabled. Control Panel - Network Connections.
Right click the connection you use, Properties, and there is a check box on
the advanced page.
Reapply updates or service packs applied since initial Windows XP
installation.
