[issue20807] 3.4 cherry pick: 82ec02db7fe6 & ec42ab5e0cb3 Windows installer fixes, pip uninstall failure

[Martin v. Löwis]

Martin v. Löwis added the comment:

Victor: all correct.

----------

_______________________________________
Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20807>
_______________________________________