I'm glad someone sent this out... I was having this EXACT problem today
I've got it installed on my wife's computer and I'm certain that it worked
when I first installed 3.0a but it stopped working (I didn't update Python
but my wife has done several Vista security updates)... Hopefully, that will
Apparently, if you install Python into a localized
version of \Program Files on Vista (such as \Programas,
or \Programmer), IDLE fails to start; see
http://bugs.python.org/3881
Apparently, Tcl cannot properly initialize on such a system,
and apparently, this is related to these folders being
symli
