Problems in installing windows 7-64 bit R version 2.11.1 (2010-05-31)

Posted on
No user picture. sara.moruzzi Joined: 08/12/2010

> source('http://openmx.psyc.virginia.edu/getOpenMx.R')
Warning in install.packages(pkgs = c("OpenMx"), repos = repos) :
argument 'lib' is missing: using 'C:\Users\Sara\Documents/R/win64-library/2.11'
Warning: unable to access index for repository http://openmx.psyc.virginia.edu/packages/bin/windows64/contrib/2.11
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
package ‘OpenMx’ is not available

any suggestions?

Thank you!!