<< Yes, the whole computer freezes. Initially, the cursor has no effect on
any control, then about a minute later even the mouse freezes. You can't
<Alt/Tab> to move around to other applications. >>
That sounds like a Windows 7 issue. I would keep my eyes open for any fixes
coming down from MS.
<< By Desktop mode, I mean embedded, where a single-user application does
not go through the Server, but is 'attached' to a Data folder directly below
the application ".\Data". >>