[R] problems with Affy

[r.ghezzo]

I just downloaded Affy in R 1.8, Also downloaded 
Biobase,reposTools,tkWidgets,genefilter.
when called
> library(affy)
Error in bindingIsLocked(m2, where) : not an environment
Error in bindingIsLocked(m2, where) : not an environment
Error in getClass(Class, where = topenv(parent.frame())) :
        "MIAME" is not a defined class
Error in library(affy) : .First.lib failed
>
Is there any other package to install?
Thanks for any help
.
Heberto Ghezzo Ph.D.
Meakins-Christie Labs
McGill University
Montreal - Canada

R. Heberto Ghezzo Ph.D.
Meakins-Christie Labs
McGill University
Montreal - Que - Canada