KB867801 in install history, not on PC or "about" box

I installed KB867801 using windowsupdate
(I manually accepted it)
I was was not prompted to reboot.


It shows up in WU install history,
but

*not in installed software
*not in the "about" box of IE6sp1
*not in the file list provided at
http://www.microsoft.com/technet/sec.../MS04-025.mspx

When trying a manual install,
IE6.0sp1-KB867801-x86-NLD.exe
I get a (translated, Dutch version and XP)
"this update needs
IE6.0 sp1
- but that's what I'm using.... (visible in "about")

When I try the IE6.0 *non-sp1 update, I installs...!
(and shows up in the "about" box)
but reverts mij OESP1 back to
version .1123
(it was up to date before:
Microsoft Outlook Express 6.00.2800.1409)


I'm totally lost -
any help appreciated