[Python-Dev] Can't install Python 3.5rc3

[MRAB]

On 2015-09-08 14:22, Steve Dower wrote:
 > It thinks you have version 3.5.5339.0 installed, which IIRC was a 
test build I made for some tcl changes. It's probably listed under 
xPython - can you see it?
 >
 > As I said at the time, they should be totally independent, but I 
guess not. Thanks for the heads up.
 >
I purged the xPython bits, but it still wouldn't install.

I then purged the Python3.5dev... bits.

Success!

Rather a messy fix though...

 >
 > From: MRAB
 > Sent: ‎9/‎7/‎2015 20:41
 > To: Python-Dev
 > Subject: [Python-Dev] Can't install Python 3.5rc3
 >
 > I've been unable to install Python 3.5rc3.
 >
 > It progresses to installing Tcl/tk, then reports that a newer version
 > of 3.5 is already installed, then it rolls back (slowly).
 >
 > I don't know where it's finding this "newer version"; I've uninstalled
 > the previous releases of Python 3.5.
 >
 > I'm on Windows 10.
 >
 >
 > Here's the contents of the log file:

[snip]