If you've had problems with Windows Update after installing Windows XP SP3 leave a comment below.I don't use Automatic Updates, but if you do, and find the yellow shield never goes away, you may be experiencing this problem.
To see, try running Windows Update manually from the website to insure it can install patches.
A brief search turned up forum postings at from others with this problem.
A TGS is a ticket issued by the Kerberos version 5 ticket-granting service TGS that allows a user to authenticate to a specific service in the domain.
Event ID: 674 A security principal renewed an AS ticket or TGS ticket. This event is generated on a Key Distribution Center (KDC) when a user types in an incorrect password.
In addition, a review of the update history (click on "Review your update history" in the left side gray stripe) showed no failures at all.