MacOS X 10.6.8 + LW Personal An unknown installation error occurred.

One of my students in my Northwestern Lisp class got
>
> An unknown installation error occurred.
> The installer encountered an error that caused the installation to 
> fail. Contact the software manufacturer for assistance.
>
when installing Lispworks 6.1 Personal on MacOS X 10.6.8 (the same 
version I have). I've had many students install LW before and haven't 
see this error. The Console logs don't seem to give much more useful 
info, just what's b elow.  What else should we be checking for ?

> 9/25/13 5:07:27 PM Installer[1059] <ZeroSliderSplitView: 0x11c247980>: 
> the delegate <TargetSelectPage: 0x11c2437d0> was sent 
> -splitView:resizeSubviewsWithOldSize: and left the subview frames in 
> an inconsistent state
>
> 9/25/13 5:07:27 PM Installer[1059] The outer edges of the subview 
> frames are supposed to line up with the split view's bounds' edges. 
> NSSplitView is working around the problem, perhaps at the cost of more 
> redrawing. (This message is only logged once per NSSplitView.)
>
> 9/25/13 5:07:35 PM Installer[1059] The Installer encountered an error 
> that caused the installation to fail. Contact the software 
> manufacturer for assistance.
>

-- 
.................................................
Christopher Riesbeck
Associate Professor, Electrical Engineering and Computer Science
McCormick School of Engineering
Northwestern University

2145 Sheridan Rd., Evanston, IL 60208

Home page: http://www.cs.northwestern.edu/~riesbeck/
Calendar: http://calendar.yahoo.com/criesbeck

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