You are a desktop support technician for your company. The computers in your company run Windows XP. You upgrade the computers to Windows Vista. You download new upates by using Windows Update Agent. You discover that the update files are corrupted. You need to force Windows Update Agent to download the entire update again.
What should you do?

A.
Run the wuauclt.exe / detectnow command.

B.
Run the wuauclt.exe / resetauthroization / detectnow command.

C.
Stop the Windows Update service and rename the C:\Program Files\WindowsUpdate folder. Then, restart the Windows Update service.

D.
Stop the Windows Update service and rename the %systemroot%\SoftwareDistribution folder. Then, restart the Windows Update service.