Dear package maintainer, this notification has been generated automatically. Your package Rsamtools_1.0.8.tar.gz has been built (if working) and checked for Windows. Please check the log files and (if working) the binary package at: http://win-builder.r-project.org/ajc9sal7cw5x The files will be removed after roughly 72 hours. Installation time in seconds: 15 Check time in seconds: 1 Check result: ERROR R version 2.13.1 Patched (2011-07-20 r56455) All the best, Uwe Ligges (CRAN maintainer of binary packages for Windows)