Dan,
the Windows build of R has no back-end choices, so the error essentially comes
from a system call which means that Windows simply cannot provide the
resources. Have you tried let's say Cairo alternative on the same machine? [If
you want to test it, please use install.packages("Cairo",,"htt
I forgot to mention, on the machine where the png() command below does not
work, the output of capabilities() is:
> capabilities()
jpeg png tifftcltk X11 aqua http/ftp sockets
TRUE TRUE TRUE TRUEFALSEFALSE TRUE TRUE
libxml fifo cled
