Assuming Vista?
see:
http://support.microsoft.com/kb/938371/en-us
Do you need it, it appears as though you do.
Description of the System Update Readiness Tool for Windows Vista
http://support.microsoft.com/kb/947821
0x800B0100 - TRUST_E_NOSIGNATURE - No signature was present in the subject.
Error message when you try to use the Windows Update or Microsoft Update Web
sites to install updates: "0x800B0100"
http://support.microsoft.com/kb/956702
--
TaurArian [MVP] 2005-2009 - Update Services
http://taurarian.mvps.org
======================================
How to ask a question:
http://support.microsoft.com/kb/555375
Computer Maintenance: Acronis / Diskeeper / Paragon / Raxco
"Aussiegirl" <> wrote in message
news:5BB69219-E132-4C40-A9B0-...
> Since May I have been trying to install this update and continue to get
> the
> same error message. I have read the questions and answers in the
> Discussions
> Groups but have not found a solution that works for me. Can someone help
> me
> with the installation? Is this something I really need to install? Thanks
> for any help
> --
> Aussie girl