Does anyone know if Tcl/Tk 8.4.10 is particularly buggy? There's a bugreport on the python tracker that mentions a crash in IDLE with Tcl/Tk 8.4.10 that goes away when reverting to the default system version: https://sourceforge.net/tracker/? func=detail&atid=105470&aid=1621111&group_id=5470 Ronald