eEye Digital Security

 Even when updated fully per Microsoft Update, Microsoft Update would not show an update to handle this item.  (WinXP Pro SP3.)  However, using the Secunia Advisory link for this item (Secunia Advisory 30925) leads to a Microsoft link to an update that can be applied directly and the next scan of Blink did not show this vulnerability.

Hmmm, that must be one of those updates that are considered less severe that they are not pushing via Microsoft Update ... that is weird though since Secunia gave you a backdoor link to it.

I think I can help again here.

Run the Microsoft Baseline Security Analyzer: 

http://technet.microsoft.com/en-us/security/cc184924.aspx

Not only will it sometimes identify why certain patches are not installing, but it also gives an alternate view of vulnerabilities to Blink and Secunia.

Let us know how it goes.

Open question: Are there any other good vulnerability detection tools?