Microsoft KB Archive/894726

= Error message indicates that a file on the Windows XP Professional CD-ROM is required to continue the upgrade to Windows XP Professional SP2 =

Article ID: 894726

Article Last Modified on 3/10/2005

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APPLIES TO


 * Microsoft Windows XP Home Edition
 * Microsoft Windows XP Professional

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SYMPTOMS
When you try to upgrade your computer from Microsoft Windows XP Home Edition Service Pack 2 (SP2) to Windows XP Professional SP2, you receive an error message that is similar to the following:

The file ' ' on Windows XP Professional CD-ROM is needed. Type the path where the file is located, and then click OK.

Note The  file may be the Csv.xs_ file, or it may be a different file.

When this symptom occurs, you cannot continue with the upgrade.



CAUSE
This problem may occur if the following conditions are true:  The security database is corrupted. The original Windows XP Home SP2 installation did not have the hotfix that is described in the following article integrated into its source files:

884018 You cannot add a Windows component in Windows XP





WORKAROUND
When you experience this problem, you cannot continue the upgrade to Windows XP Professional. Instead, follow these steps.

Note Before you start, make sure that your files are backed up.
 * 1) Use the Windows XP Professional SP2 CD-ROM to restart your computer.
 * 2) Perform a full installation of Windows XP Professional SP2.

Note If the CD-ROM from step 1 is an upgrade version of Windows XP Professional SP2, you may be prompted to insert a CD-ROM for an earlier operating system to verify upgrade compliance. In this scenario, remove the Windows XP Professional SP2 CD-ROM from your computer's CD drive, and then insert your Windows XP Home Edition CD-ROM. For additional information about how to install or to upgrade to Windows XP, click the following article number to view the article in the Microsoft Knowledge Base:

316941 How to install or upgrade to Windows XP



STATUS
Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the &quot;Applies to&quot; section.

Keywords: kbtshoot KB894726

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