Round about line 1088 of Tools/msi/msi.py, lib-tk is added to the PythonPath: ("PythonPath", -1, prefix+r"\PythonPath", "", "[TARGETDIR]Lib;[TARGETDIR]DLLs;[TARGETDIR]lib-tk", "REGISTRY"), Shouldn't that be this instead? ("PythonPath", -1, prefix+r"\PythonPath", "", "[TARGETDIR]Lib;[TARGETDIR]DLLs;[TARGETDIR]Lib\\lib-tk", "REGISTRY"), Trent -- Trent Mick TrentM@ActiveState.com