In R you should slashes instead of backslashes: C:\PROGRA~1\R\R-2.11.1\bin\RScript.exe C:/Users/Vincent/Documents/temp/test.r Bart -- View this message in context: http://r.789695.n4.nabble.com/Automating-R-script-with-Windows-7-tp4446693p4635260.html Sent from the R help mailing list archive at Nabble.com.