See the "How to obtain help" section of
For home users, no-charge support is available by calling 1-866-PCSAFETY
(1-866-727-2338; and/or 1-866-234-6020 and/or 1-800-936-5700) in the United
States and in Canada or by contacting your local Microsoft subsidiary.
There is no-charge for support calls that are associated with security
updates. When you call, clearly state that your problem is related to a
Security Update and cite the update's KB number (e.g., KB928365).
Or you can...
Start a free Windows Update support incident email request:
Customers who experience issues installing Microsoft security updates also
can visit the following page for assistance:
For more information about how to contact your local Microsoft subsidiary
for security update support issues, visit the International Support Web
For enterprise customers, support for security updates is available through
your usual support contacts.
> I am unable to finish downloading my most recent updates. The file that it
> can't complete is: Security Update for Microsoft .NET Framework Version
> It reads:
> A security issue has been identified that could allow an attacker to
> comprimise your Windows-based system running the Microsoft .NET Framework
> and gain complete control over it. You can help protect your computer by
> installing this update......
> But it never can complete the download. How can I fix this?