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When you try to apply Microsoft Office XP Service Pack 3 (SP3) for SharePoint Team Services to a Microsoft Windows Server 2003-based computer that is running SharePoint Team Services from Microsoft, you may receive the following error message:
Error 1931. Setup cannot update file \system drive\Program files\Common Files\Microsoft Shared\Web Server Extensions\50\bin\CFGWIZ.EXE because it is protected by Windows. You may need to update your operating system for this program to work correctly.
This problem may occur if you try to install Office XP SP3 for SharePoint Team Services on a Windows Server 2003-based computer.
To work around this problem, download Office XP SP3 for SharePoint Team Services and install it during the download process. Do not download Office XP SP3 for SharePoint Team Services and then try to install it manually after you download it.
Microsoft is researching this problem and will post more information in this article when the information becomes available.
For additional information about Office XP Service Pack 3 (SP3) for SharePoint Team Services, click the following article number to view the article in the Microsoft Knowledge Base:
833845 Overview of Office XP Service Pack 3 for SharePoint Team Services