Most of what you see in the last screen there are updates for the MS SE. While in the XP Mode I tossed the latest version of that on there. The installler downloaded those automatically with the check for updates step being seen at the end of the install.
The others were the few available when checking for the regular updates separately. Notice the installation date is the same on all of them from not having been in the XP Mode for a period of time.
A clean install of XP on an old build where that will be run saw over 100 after SP3 was installed.
(nothing like spending a full night going through an old case being given away.