After failed attempts to install Windows 7 Service Pack 1, I ran this HotFix
Hotfix for Windows (KB947821)
Installation date: 2/18/2014 1:41 PM
Installation status: Successful
Update type: Important
Fix for KB947821
More information:
http://support.microsoft.com/?kbid=947821
Help and Support:
http://support.microsoft.com
And, now I have multiple copies of Windows 7 Service Pack 1 installed and, the computer wants to continually install another copy upon Shutdown.