When you try to download and install updates from the Microsoft Windows Update Web site, from the Microsoft Update Web site, or from a Windows Server Update Services (WSUS) server, you may receive one or more of the following error messages:

0×800704DD
0×80240020

CAUSE
This problem occurs if the Automatic Updates service cannot impersonate the logged-on user to finish downloading and installing the update.

RESOLUTION
To resolve this problem on a computer that is running Windows 2000, follow the steps in Section A. To resolve this problem on a computer that is running Windows Server 2000 or Windows XP, follow the steps in Section B.

[Continue reading Microsoft Knowledge Base article 910341]

[tags]windows update,error,microsoft update,0×800704dd,0×80240020[/tags]