Dear R
I installed R2.11.1 on Windows XP and because of University access control I set the Cran and web passwords in the Rprofile.site file
# set a CRAN mirror
local({r <- getOption("repos")
      r["CRAN"] <- "http://cran.ru.ac.za/"
       options(repos=r)})
 
Sys.setenv(http_proxy="http://prheeder:*****:xxxxx.up.ac.za:8080")
 
I connected and downloaded packages without a problem. Due to problems with R I had R uninstalled and the re-installed. Now using exactly the same Rprofile file as before I cannot get access to the Cran site. I get the error message:
Warning: unable to access index for repository http://cran.ru.ac.za/bin/windows/contrib/2.11 
Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.11 
Error in install.packages(NULL, .libPaths()[1L], dependencies = NA, type = type) : 
  no packages were specified
 
I have another computer accessing the web with R on the same network without any problem.
It seems the unistall and re-install created some kind of a problem. Any advice?
 
Paul

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