can't Rcmdr to work with R 2.12 on just one machine

All,

 No matter what I do (e.g., complete re-install of R and then Rcmdr 
(with dependencies=TRUE)), Rcmdr will not launch on just one of my 
computers (all running 10.6.5): it crashes (R becomes 
``non-responding" as it loads Tcl).  It also happened on OS X 10.6.4 
(last week).  The computer is a two-week-old MacBook Pro.  Every 
other of my Intel Macs (all older), including 6 mos old otherwise 
identical MacBook Pros show no such problem.  Suggestions?

Does Simon's build of Tcl/Tk work on its own?  Have you installed the 
correct version?

It seem pretty unlikely that the issue is in Rcmdr per se (and BTW, as 
the posting guide says there is no 'R 2.12' and asks you not to use 
the word 'crash').

If the issue is loading package tcltk and you have Xcode installed, 
you can debug that by running R at the command line under gdb (R -d 
gdb) and interrupt it to see where the problem is.

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Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
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