[issue26065] python embedded 3.5 amd64 crash when using venv

[Laurent Dufrechou]

New submission from Laurent Dufrechou:

Install python-3.5.1-embed-amd64 to c:\dev\python-3.5.1-embed-amd64
Open terminal window:
cd c:\dev\python-3.5.1-embed-amd64
python -m venv c:\dev\myenv

-> crash
Error: Command '['C:\\dev\\myenv\\Scripts\\python.exe', '-Im', 'ensurepip', '--upgrade', '--default-pip']' returned non-zero exit status 3221226505

Using debugger (VS2015) shows error:
Exception non gérée à 0x00007FFDA1D05A4E (ucrtbase.dll) dans python.exe 
And stopping debugger leave this log:
C:\dev\python-3.5.1-embed-amd64>python -m venv C:\dev\python35_x64_rtquickreport
Traceback (most recent call last):
  File "runpy.py", line 170, in _run_module_as_main
  File "runpy.py", line 85, in _run_code
  File "venv\__main__.py", line 6, in <module>
  File "venv\__init__.py", line 442, in main
  File "venv\__init__.py", line 85, in create
  File "venv\__init__.py", line 257, in _setup_pip
  File "subprocess.py", line 629, in check_output
  File "subprocess.py", line 698, in run
  File "subprocess.py", line 1055, in communicate
KeyboardInterrupt

----------
components: Windows
messages: 257855
nosy: Laurent Dufrechou, paul.moore, steve.dower, tim.golden, zach.ware
priority: normal
severity: normal
status: open
title: python embedded 3.5 amd64 crash when using venv
type: crash
versions: Python 3.5

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue26065>
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