Hi There I have tried to install Rgraphviz on R2.9.0, but keep running into the following error message: Canyou help? BR Ernest > library(Rgraphviz) Loading required package: graph Loading required package: grid Error in inDL(x, as.logical(local), as.logical(now), ...) : unable to load shared library 'C:/PROGRA~1/R/R-29~1.0/library/Rgraphviz/libs/Rgraphviz.dll': LoadLibrary failure: The specified module could not be found. Error: package/namespace load failed for 'Rgraphviz' > [[alternative HTML version deleted]]