[R] Occasional problems with starting batch mode

[Bos, Roger]

I use a windows Server 2003 machine to run R code in batch mode every
night using the following command:

"F:\Program Files\R\R-2.4.1pat\bin\R.exe" CMD BATCH --vanilla --slave
"batch_master_dr.R"

This produces an output file, of which the first three lines look like
this:

Loading required package: tcltk
Loading Tcl/Tk interface ... done
Loading required package: R2HTML

99% of the time this works great.  Every once in a while, I get the
following error message instead and it does not run any of my subsequent
code:

Loading required package: tcltk
Loading Tcl/Tk interface ... Unable to register TkTopLevel class

This application has requested the Runtime to terminate it in an unusual
way.
Please contact the application's support team for more information.

Does anyone have any clue where I should look to fix this problem?

Thanks,

Roger
                                       
version.string R version 2.4.1 Patched (2007-02-04 r40647)

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