btw, I installed R.10.1 on the same box (Windows 7, 64bit, 4 cores). snow/snowfall work fine.
here is my sessionInfo() R version 2.10.1 (2009-12-14) i386-pc-mingw32 locale: [1] LC_COLLATE=English_United States.1252 [2] LC_CTYPE=English_United States.1252 [3] LC_MONETARY=English_United States.1252 [4] LC_NUMERIC=C [5] LC_TIME=English_United States.1252 attached base packages: [1] stats graphics grDevices utils datasets methods base other attached packages: [1] snowfall_1.84 snow_0.3-3 loaded via a namespace (and not attached): [1] tools_2.10.1 David -- View this message in context: http://r.789695.n4.nabble.com/Snow-Snowfall-hangs-on-windows-7-tp3436724p3525182.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.