You need to give more information than that. For instance, how have you tried to download AnnBuilder? What OS, what version of R? How have you installed the package? Have you tried library(reposTools) install.packages2("AnnBuilder") Jim James W. MacDonald Affymetrix and cDNA Microarray Core University of Michigan Cancer Center 1500 E. Medical Center Drive 7410 CCGC Ann Arbor MI 48109 734-647-5623 >>> "Liu, Xin" <xin.liu@arragen.com> 08/02/04 11:59AM >>> Dear list, I tried various source to download the package of AnnBuilder, however I always got the message "This package has not been installed properly" when I run library(AnnBuilder). Is there any bug? Thanks! Xin _______________________________________________ Bioconductor mailing list Bioconductor@stat.math.ethz.ch https://www.stat.math.ethz.ch/mailman/listinfo/bioconductor