I would suggest you to run the fixit from the following Microsoft article and check if it helps.
Error code 0x80000FFF when you download updates on a Windows Vista-based computer by using Windows Update or Microsoft Update:
If the steps in the above Microsoft article did not help, then try the steps provided in the following Microsoft article and check if it helps.
Unable to install updates in Windows Vista, Windows 7, Windows Server 2008 and Windows Server 2008 R2:
Hope the information helps. Please post back and let us know.
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