* using log directory 'd:/Rcompile/CRANpkg/local/2.8/bnlearn.Rcheck'
* using R version 2.8.1 (2008-12-22)
* using session charset: ISO8859-1
* checking for file 'bnlearn/DESCRIPTION' ... OK
* checking extension type ... Package
* this is package 'bnlearn' version '1.4.1'
* checking package name space information ... OK
* checking package dependencies ... OK
* checking if this is a source package ... OK
* checking whether package 'bnlearn' can be installed ... OK
* checking package directory ... OK
* checking for portable file names ... OK
* checking DESCRIPTION meta-information ... OK
* checking top-level files ... OK
* checking index information ... OK
* checking package subdirectories ... OK
* checking R files for non-ASCII characters ... OK
* checking R files for syntax errors ... OK
* checking whether the package can be loaded ... ERROR
Loading required package: Rgraphviz
Loading required package: graph
Error in library.dynam(lib, package, package.lib) : 
  shared library 'BioC_graph' not found
Error : package 'graph' could not be loaded
Error : .onLoad failed in 'loadNamespace' for 'bnlearn'
Error: package/namespace load failed for 'bnlearn'
Execution halted

It looks like this package has a loading problem: see the messages for
details.