KB article 2533552, "An update that prevents a "0xC0000034" error message when you try to install Windows 7 SP1 or Windows Server 2008 R2 SP1", http://support.microsoft.com/default.aspx?scid=kb;en-US;2533552. KB article 975484, "Your computer may freeze or restart to a black screen that has a "0xc0000034" error message after you install Service Pack 1 on Windows 7 or Windows 2008 R2", http://support.microsoft.com/default.aspx?scid=kb;EN-US;975484.
KB article 2545227, "Event ID 10 is logged in the Application log after you install Service Pack 1 for Windows 7 or Windows Server 2008 R2", http://support.microsoft.com/default.aspx?scid=kb;en-US;2545227.
KB article 2534366, "0xC0000009A error message when you try to install Windows 7 SP1 or Windows Server 2008 R2 SP1", http://support.microsoft.com/default.aspx?scid=kb;en-US;2534366.
Blog post "Windows 7/2008 R2 Service Pack 1 fails with 0x800f0a12", http://blogs.technet.com/b/joscon/archive/2011/02/17/windows-7-2008-r2-service-pack-1-fails-with-0x800f0a12.aspx. How to reclaim space after applying Windows 7/2008 R2 Service Pack 1
Blog post "Windows 7 Service Pack 1 fails with error code 0x8004a029", http://blogs.technet.com/b/joscon/archive/2011/02/21/windows-7-service-pack-1-fails-with-error-code-0x8004a029.aspx.
Blog post "Windows 7 Service Pack 1 fails to install with 0x800f0a13 or 0x800f0826", http://blogs.technet.com/b/joscon/archive/2011/02/24/windows-7-service-pack-1-fails-to-install-with-0x800f0a13-or-0x800f0826.aspx.
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