problems using the bc package

I have tried to redownload the zipped folder form the following link
http://code.google.com/p/r-bc/downloads/list , windows is not giving me a
permission to extract the files.did anyone try it?

View this message in context: http://n4.nabble.com/problems-using-the-bc-package-tp1288765p1288809.html
Sent from the R help mailing list archive at Nabble.com.