To make life easier for those wishing to build or run GTK# GUI applications on Mono on Windows, there is a Windows Installer for the GTK+ 2.0 Runtime at: http://www.dropline.net/jade/download.html Their latest package is for: GTK+ Runtime Environment 2.0.9.1 09-Dec-2002 02:29 4.5M http://www.dropline.net/jade/downloads/GTK+%20Runtime%20Environment%202.0.9. 1.exe