Start a free Windows Update support incident request:
Support for Windows Update:
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., KB123456).
If your problem relates to a Cumulative Security Update for IE, call the
above number and ask to be transferred to the Consumer IE7 queue (which is
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.
Tip: Temporarily disable real-time protection by your anti-virus and/or
anti-spyware applications (e.g., CounterSpy, Spysweeper, Spybot, AVG
Anti-Spyware) and/or any third-party firewall (e.g., ZA) before attempting
to install the update(s).
~Robear Dyer (PA Bear)
MS MVP-Windows (IE, OE, Security, Shell/User)
AumHa VSOP & Admin; DTS-L.org
> For about 3 weeks now , I have been getting error message 800b0100 when
> trying to install 3 updates: Cumulative Security Update for Internet
> Explorer 7 in Windows Vista (KB942615), Security Update for Windows Vista
> (KB942624), Update for Windows Vista (KB942763).
> I got to checking and saw that they were already installed. How do I make
> see that? I am getting a long list of failed updates because of this.