R help - Aug 2008 - memory problem - failing to load rgl in R 2.7.1 patched

> Hi,
>
> yesterday i had the surprise not to be able to load the package
"ca" on R 2.7.0 saying that cannot find required package rgl although
it was there. So today i've upgraded to 7.2.1. patched and i got the
following error:
>
>> local({pkg <- select.list(sort(.packages(all.available = TRUE)))
> + if(nchar(pkg)) library(pkg, character.only=TRUE)})
> Loading required package: rgl
> Error : cannot allocate vector of size 2.0 Gb
> Error: package 'rgl' could not be loaded
>
> I've "up-ed" the memory to max which is 4 Gb for my computer
and tried again ... same result. I know how to install packages and load them
.... or at least i thought so. Do you know what is wrong??
>
>
> sysname release
> "Windows" "XP"
> version nodename
> "build 2600, Service Pack 2"
> machine
> "x86"
>
> sessionInfo()
> R version 2.7.1 Patched (2008-07-31 r46185)
> i386-pc-mingw32
>
> locale:
> LC_COLLATE=English_United States.1252;LC_CTYPE=English_United
States.1252;LC_MONETARY=English_United
States.1252;LC_NUMERIC=C;LC_TIME=English_United States.1252
>
> attached base packages:
> [1] stats graphics grDevices utils datasets methods base
>
> other attached packages:
> [1] e1071_1.5-18 class_7.2-42
>
> loaded via a namespace (and not attached):
> [1] tools_2.7.1
>
> Thanks for any advice,
>
> Monica
>
>
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