I would start R with the command: http_proxy="http://SERVER:3128" R
and then from R I would try: install.packages("Rcmdr", dep = TRUE, method = "wget") provided that you have wget installed on your system (which I think). ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.