Microsoft small business knowledge base

Article ID: 2249744 - Last Review: April 24, 2014 - Revision: 11.0

Not sure what release of Office 365 you're using? Go to the following Microsoft website:
Am I using Office 365 after the service upgrade? (


When you try to run the Office 365 Desktop Setup Tool on a computer that's running Windows XP Service Pack 3 (SP3), you receive the following error message:
You do not have the Windows Update Agent installed on XP.


To resolve this issue, install the Windows Update Agent. For more information about how to do this, click the following article number to view the article in the Microsoft Knowledge Base:
943144  ( ) You cannot install updates from Windows Update, Microsoft Update, or by using Automatic Update after a repair install of Windows XP or after you install Windows XP SP3 immediately after a clean install of Windows XP SP2


This issue occurs when you use a Windows XP SP3-based computer that doesn't have the Windows Update Agent installed or if certain files were corrupted. In this scenario, some updates may not be installed by the Office 365 Desktop Setup Tool.

Still need help? Go to the Office 365 Community ( website.

Applies to
  • Microsoft Office 365 for enterprises (pre-upgrade)
  • Microsoft Office 365 for small businesses  (pre-upgrade)
  • Microsoft Office 365 for education  (pre-upgrade)
  • Microsoft Office 365
  • Microsoft Windows XP Professional
  • Microsoft Windows XP Home Edition
o365 o365a o365e o365p o365022013 after upgrade o365062011 pre-upgrade o365m KB2249744
Additional support options
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