As promised, I did some digging.

After installing a virtual Win2K Pro SP2, I've used RegMon to find the changes. Oddly enough, I noticed a value that looks like it should do it, but also some "weird" keys being changed! So I looked in the web and this is what I found: Explorer Spy.

Being a curious kind of guy, I've delved a bit deeper and found that one of the UIDs that was part of one of the changed keys was the one for ActiveDesktop!!

That is: {75048700-EF1F-11D0-9888-006097DEACF9} = CLSID_ActiveDesktop...

These are the changed keys using either SetValue or CreateKey:
code:
HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\IntelliMenus
HKCU\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Explorer\UserAssist\{75048700-EF1F-11D0-9888-006097DEACF9}\Count\HRZR_EHAJZPZQ
HKCU\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Explorer\UserAssist\{75048700-EF1F-11D0-9888-006097DEACF9}\Count\HRZR_EHAJZPZQ:0k1,n065
Still doing some more research to try and get to a working piece of code to change it (much more fun than what I had to do... [Smile]

I'll get back when I have that answer. Meanwhile, don't forget to have a look at the link above: it's VERY interesting!!
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Later,   [b]Mad[/b]ruga