Reistallation of QuickPlace fails due to version failure.
Change the version number that's checked by QP during setup. The file is NUI.CFG.
The version number is the first line. The last two numbers are the minor release number that you need to sync.
See technote #1168783 on the Lotus support site.
(As of 6/2005: http://www-1.ibm.com/support/docview.wss?rs=0&uid=swg21168783)