HKCU\Software\Microsoft\Windows\ShellNoRoam\BagMRU
and
HKCU\Software\Microsoft\Windows\ShellNoRoam\Bags
Delete the "BagMRU" & "Bags" and reset your Explorer settings. That used to keep me going for about 3 months before it needed to be done again. That was before I abandoned XP and went back to W2K.
g-string.