Is that how it is on 4.0.7? As you can see below, I have 4.0.5 still. Anyway, we're talking about clearing the auto-filling of the search field if I'm not mistaken.
Oh and about the Vpc, I tried running it (the Vpc, not LW for PC on Vpc) and it was incredibly slow. Of course, I dld it thru LW but still, it was slow as hell. So, unless you have lotsa RAM, then I wouldn't try it if I were you.

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iMac G4 OSX 10.3.9
RAM 256MB
LW 4.10.5 Basic
ADSL anything from 3 to 8Mbps/around 1024kbps

"Raise your can of Beer on high
And seal your fate forever
Our best years have passed us by
The Golden Age Of Leather"
-Blue Öyster Cult-