>> Did you install Vista SP1 manually or via Windows Update...?
Have the updates released on 09 Dec-08 installed successfully? cf.
Have you tried downloading the update, saving it to your desktop, and then
installing it manually?
Otherwise, you may wish to...
Start a free Windows Update support incident request:
For home users, no-charge support is available by calling 1-866-PCSAFETY 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., KB956841).
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> The update in question is "Security Update for Windows Vista (KB956841)".
> I downloaded and installed SP1; it was not preinstalled.
> The link you provided instructed me to download the System Update
> Tool; it also stated that when I check for updates, "the tool is offered
> Windows Update only to computers that have a condition that the tool could
> resolve." I performed the steps as instructed, but the System Update
> Readiness Tool was not offered, so I assume it is not applicable to my
> Other possibilities?
> Thanks in advance.
> "PA Bear [MS MVP]" wrote:
>> And the update in question would be...?
>> Did you install Vista SP1 manually or via Windows Update (or did it come
>> Error message when you try to use the Windows Update or Microsoft Update
>> Web sites to install updates: "0x800B0100"
>> ~Robear Dyer (PA Bear)
>> MS MVP-IE, Mail, Security, Windows Desktop Experience - since 2002
>> AumHa VSOP & Admin http://aumha.net
>> DTS-L http://dts-l.net/
>> ZachsDaddy wrote:
>>> BTW my OS is Vista SP1
>>>> Have rebooted and tried again 3 times. This update was released on
>>>> It is a security update. Any ideas?