First published on TechNet on Oct 14, 2005
If you installed the latest security patches manually or via WSUS, this included MS05-051. On systems where the default security on %windir%subscriptions has been modified, you may experience the following symptoms (from the KB article):
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The Windows Installer service may not start.
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The Windows Firewall Service may not start.
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The Network Connections folder is empty.
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The Windows Update Web site may incorrectly recommend that you change the Userdata persistence setting in Microsoft Internet Explorer.
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Active Server Pages (ASP) pages that are running on Microsoft Internet Information Services (IIS) return an “HTTP 500 – Internal Server Error” error message.
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The Microsoft COM+ EventSystem service will not start.
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COM+ applications will not start.
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The computers node in the Microsoft Component Services Microsoft Management Console (MMC) tree will not expand.
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Authenticated users cannot log on, and a blank screen appears after the users apply the October Security Updates.
The fix is to reset permissions per this article:
http://support.microsoft.com/?kbid=909444
(Incidentally, we talk about this in today's podcast, which will be available some time this weekend).
