Re: installation of KB905866 failed, error 800B0100

Description of the System Update Readiness Tool for Windows Vista
http://support.microsoft.com/kb/947821

<QP>
The following table lists error messages that you might receive when you try to install a software update. These errors might be caused by a system irregularity that the System Update Readiness Tool might be able to resolve. However, the tool might be unable to fix all instances in which these errors occur.

0x800B0100 - TRUST_E_NOSIGNATURE - No signature was present in the subject.
</QP>
===========================
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• US: http://support.microsoft.com/oas/default.aspx?ln=en-us&prid=11274&gprid=500921
• CA: http://support.microsoft.com/oas/default.aspx?ln=en-ca&prid=11274&gprid=500921
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• Other: http://support.microsoft.com/oas/default.aspx | select Windows Vista | select Windows Vista Service Pack 1

How to obtain the latest Windows Vista service pack
http://support.microsoft.com/kb/935791

Windows Vista SP1 FAQ:
http://windowsvistablog.com/blogs/windowsexperience/pages/windows-vista-sp1-faq.aspx

Windows Vista Service Pack 1 - Things to Know Before You Download:
http://technet.microsoft.com/en-us/windowsvista/bb968859.aspx

Windows Vista Help: Learn how to install Windows Vista Service Pack 1 (SP1):
http://windowshelp.microsoft.com/windows/en-us/Help/133c8953-c9cd-4fa5-8883-03e91bb6f2021033.mspx
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zyloh89 wrote:
Windows update kept prompting me to install update KB905866 [April
2008], but always failed and it shows error 800B0100.

My laptop is running Windows Vista Home Premium.

Hope someone is able to help out. Thanks!

.

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