Microsoft KB Archive/286398

= &quot;Error 25510. Microsoft Office XP requires updated system files not detected on your computer&quot; error message when you install Office XP =

Article ID: 286398

Article Last Modified on 12/4/2007

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APPLIES TO


 * Microsoft Office XP Professional Edition
 * Microsoft Office XP Small Business Edition
 * Microsoft Office XP Standard Edition
 * Microsoft Office XP Standard Edition for Students and Teachers
 * Microsoft Office XP Developer Edition
 * Microsoft Access 2002 Standard Edition
 * Microsoft Excel 2002 Standard Edition
 * Microsoft FrontPage 2002 Standard Edition
 * Microsoft Outlook 2002 Standard Edition
 * Microsoft PowerPoint 2002 Standard Edition
 * Microsoft Word 2002 Standard Edition

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This article was previously published under Q286398



SYMPTOMS
When you attempt to install Microsoft Office XP, you may receive an error message similar to the following:

Error 25510. Microsoft Office XP requires updated system files not detected on your computer. You must install the System Files Update prior to installing Office.

c:\windows\msagent\agentsvr.exe is missing when we require version 2.0.0.2202.

NOTE: There may be multiple reasons why you receive the &quot;Error 25510&quot; message. Please inspect the exact error message and your Setup log files to search for an appropriate Microsoft Knowledge Base article. For more information about Office XP Setup log files, click the following article number to view the article in the Microsoft Knowledge Base:

296604 How to customize Office Setup logging options



CAUSE
This error message can appear if both of the following are true:
 * You are using a version of Windows that requires system files to be updated from the Microsoft Office XP System Files Update program.
 * You bypassed Setup.exe by double-clicking the .msi file on the Office installation source. For example, you double-click the file ProPlus.msi.



RESOLUTION
To resolve this behavior, use one of the following methods. NOTE: Method 1 is the preferred method.

Method 1
NOTE: This is the preferred method.

Run Setup.exe from your Office installation source. To run Setup.exe from your Office installation source, follow these steps:  Click Start, and then click Run. In the Open box, type



where  is the path to your CD-ROM drive containing the Office XP CD. Click OK

Method 2

 * 1) Start Windows Explorer and browse to OSP.msi in the Files\OSP\1033 folder or the appropriate language code folder.
 * 2) Right-click OSP.msi.
 * 3) On the shortcut menu, click Install.

This method also updates the system files.



MORE INFORMATION
Setup.exe checks for required system files. If one or more of the required system files needs to be updated, the system files update automatically starts. The installation of the Office program files cannot occur until the system files are updated. If you bypass Setup.exe by double-clicking the .msi file for Office, the system files are not updated.

NOTE: The installation of the System Files Update may be required for Microsoft Windows NT 4.0 and Windows 98. If you are upgrading to Office XP from Office 2000 SR-1 on Windows NT 4.0 and Windows 98 the system files may not have to be updated.

The following Windows systems may not require an upgrade of the system files.
 * Microsoft Windows XP
 * Microsoft Windows 2000
 * Microsoft Windows Millennium Edition (Me)
 * Microsoft Windows NT 4.0 with a complete installation of Office 2000 SR-1.
 * Microsoft Windows 98 with a complete installation of Office 2000 SR-1.

For more information about the system files that may need to be updated, click the following article number to view the article in the Microsoft Knowledge Base:

286399 Description of the System Files Update

Additional query words: inf prb

Keywords: kberrmsg kbtshoot kbprb KB286398

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