[R] rgl crash on windows 7

[Kevin Wright]

I have a co-worker who has installed R 3.4.2 on Windows 7.  When this
person tries to load the rgl package with
library(rgl)
A dialog box appears with the message:
R for windows gui frontend has stopped working

I suspect a conflict problem with a dll, but I'm not sure how to identify
if this is the problem since R is crashing immediately.

Interestingly, when we start R and do NOT load rgl, but type this WITHOUT
parentheses:
rgl:::.onUnload
We get the same crash.

On my laptop I can load rgl just fine, after loading rgl I see:

R> getLoadedDLLs()

 Filename Dynamic.Lookup
base
base          FALSE
methods       C:/Program
Files/R/R-3.4.1/library/methods/libs/x64/methods.dll          FALSE
utils             C:/Program
Files/R/R-3.4.1/library/utils/libs/x64/utils.dll          FALSE
digest
c:/kw/R/win-library/3.4/digest/libs/x64/digest.dll           TRUE
grDevices C:/Program
Files/R/R-3.4.1/library/grDevices/libs/x64/grDevices.dll          FALSE
graphics    C:/Program
Files/R/R-3.4.1/library/graphics/libs/x64/graphics.dll          FALSE
stats             C:/Program
Files/R/R-3.4.1/library/stats/libs/x64/stats.dll          FALSE
Rcpp
c:/kw/R/win-library/3.4/Rcpp/libs/x64/Rcpp.dll           TRUE
htmltools
 c:/kw/R/win-library/3.4/htmltools/libs/x64/htmltools.dll          FALSE
jsonlite
c:/kw/R/win-library/3.4/jsonlite/libs/x64/jsonlite.dll           TRUE
tools             C:/Program
Files/R/R-3.4.1/library/tools/libs/x64/tools.dll          FALSE
httpuv
c:/kw/R/win-library/3.4/httpuv/libs/x64/httpuv.dll           TRUE
mime
c:/kw/R/win-library/3.4/mime/libs/x64/mime.dll           TRUE
rgl
 c:/kw/R/win-library/3.4/rgl/libs/x64/rgl.dll          FALSE

Can I manually load the DLLs and then load rgl?

Any tips on how to proceed would be appreciated.

-- 
Kevin Wright

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