Which of the following courses of action would BEST resolve the problem?

A customer calls an IT consultant to explain an issue they are having with their Windows 7
Professional PC. Windows Update attempts to install patches upon each startup but fails on
the same single update. The customer has attempted to re-run Windows Update from

Control Panel but the issue remains. Which of the following courses of action would BEST
resolve the problem?

A.
Running a full DEFRAG on the system

B.
Clearing the AppData temp folder entirely

C.
Clearing the Windows Update download cache entirely

D.
Uninstalling the Windows Update feature in Windows 7 and reinstalling it directly from the
Microsoft website

Explanation:

Reference:
http://larsjoergensen.net/windows/windows-7/how-to-clear-the-windows-update-downloadcache-in-windows-7